<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2022v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2023-11-15T08:20:47-06:00</ReturnTs>
    <TaxPeriodEndDt>2022-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>161710665</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>STEPHANO SLACK LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>125 STRAFFORD AVE STE 200</AddressLine1Txt>
        <CityNm>WAYNE</CityNm>
        <StateAbbreviationCd>PA</StateAbbreviationCd>
        <ZIPCd>19087</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2022-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>237055681</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>RETINA SOCIETY INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>RETI</BusinessNameControlTxt>
      <PhoneNum>6172278767</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 6305</AddressLine1Txt>
        <CityNm>BOSTON</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>02114</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>DAVID N ZACKS MD</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <PhoneNum>6172278767</PhoneNum>
      <SignatureDt>2023-11-13</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>DAVID</PersonFirstNm>
        <PersonLastNm>ZACKS MD</PersonLastNm>
      </PersonFullName>
      <SSN>999009999</SSN>
    </SigningOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>0</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>MICHAEL J STEPHANO</PreparerPersonNm>
      <PTIN>P00446686</PTIN>
      <PhoneNum>6106871600</PhoneNum>
      <PreparationDt>2023-11-01</PreparationDt>
    </PreparerPersonGrp>
    <AdditionalFilerInformation>
      <TrustedCustomerGrp>
        <TrustedCustomerCd>3</TrustedCustomerCd>
        <AuthenticationAssuranceLevelCd>AAL1</AuthenticationAssuranceLevelCd>
        <IdentityAssuranceLevelCd>IAL1</IdentityAssuranceLevelCd>
      </TrustedCustomerGrp>
    </AdditionalFilerInformation>
    <TaxYr>2022</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="6">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>JEFFREY S HEIER MD</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>PO BOX 6305</AddressLine1Txt>
        <CityNm>BOSTON</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>02114</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>1568033</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.RETINASOCIETY.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationAssocInd>X</TypeOfOrganizationAssocInd>
      <FormationYr>1968</FormationYr>
      <LegalDomicileStateCd>MA</LegalDomicileStateCd>
      <ActivityOrMissionDesc>THE SOCIETY EXISTS TO PROVIDE EDUCATIONAL ADVANCEMENT IN OPHTHALMOLOGY.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>7</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>7</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>1</TotalEmployeeCnt>
      <TotalVolunteersCnt>7</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>301027</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>297505</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>942256</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>1203946</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>204883</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>66582</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>0</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>1448166</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>1568033</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>85250</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>158400</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>95442</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>99815</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>916214</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>1106243</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>1096906</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>1364458</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>351260</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>203575</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>4396793</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>4100246</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>44150</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>67166</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>4352643</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>4033080</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>THE SOCIETY EXISTS TO PROVIDE EDUCATIONAL ADVANCEMENT IN OPHTHALMOLOGY.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>1178306</ExpenseAmt>
      <GrantAmt>158400</GrantAmt>
      <RevenueAmt>1203946</RevenueAmt>
      <Desc>THE ORGANIZATION EDUCATED PARTICIPANTS IN THE ADVANCEMENT OF OPHTHALMOLOGY.</Desc>
      <TotalProgramServiceExpensesAmt>1178306</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>0</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">1</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">0</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">1</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd referenceDocumentId="RetDoc1041900001">1</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd referenceDocumentId="RetDoc1041900001">0</GrantsToIndividualsInd>
      <ScheduleJRequiredInd>0</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd>0</DisregardedEntityInd>
      <RelatedEntityInd>0</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>4</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>1</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>1</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>0</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>0</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>7</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>7</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>1</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>1</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>0</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>0</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>0</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>0</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>0</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>MA</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <PersonNm>JUDY CERONE KEENAN</PersonNm>
        <PhoneNum>6172278767</PhoneNum>
        <USAddress>
          <AddressLine1Txt>50 STANIFORD ST 7TH FLOOR</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02114</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <NoListedPersonsCompensatedInd>X</NoListedPersonsCompensatedInd>
      <Form990PartVIISectionAGrp>
        <PersonNm>JEFFREY S HEIER MD</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JENIFER LIM MD</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ANTONIO CAPONE JR MD</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DAVID N ZACKS MD</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ALLEN C HO MD</PersonNm>
        <TitleTxt>IMMEDIATE PAST PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CYNTHIA TOTH MD</PersonNm>
        <TitleTxt>MEMBER AT LARGE</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CARL REGILLO MD</PersonNm>
        <TitleTxt>MEMBER AT LARGE</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>0</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>0</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>0</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <MembershipDuesAmt>211755</MembershipDuesAmt>
      <AllOtherContributionsAmt>85750</AllOtherContributionsAmt>
      <TotalContributionsAmt>297505</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>ANNUAL MEETING</Desc>
        <BusinessCd>621300</BusinessCd>
        <TotalRevenueColumnAmt>1106849</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1106849</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>JOINT AAO EVENTS</Desc>
        <BusinessCd>621300</BusinessCd>
        <TotalRevenueColumnAmt>97097</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>97097</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>1203946</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>53075</TotalRevenueColumnAmt>
        <ExclusionAmt>53075</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>13507</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>0</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>13507</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>13507</TotalRevenueColumnAmt>
        <ExclusionAmt>13507</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>1568033</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1203946</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>66582</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>158400</TotalAmt>
        <ProgramServicesAmt>158400</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>84148</TotalAmt>
        <ProgramServicesAmt>33659</ProgramServicesAmt>
        <ManagementAndGeneralAmt>50489</ManagementAndGeneralAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>9000</TotalAmt>
        <ProgramServicesAmt>3600</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5400</ManagementAndGeneralAmt>
      </PensionPlanContributionsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>6667</TotalAmt>
        <ProgramServicesAmt>2667</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4000</ManagementAndGeneralAmt>
      </PayrollTaxesGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>25085</TotalAmt>
        <ManagementAndGeneralAmt>25085</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>808</TotalAmt>
        <ManagementAndGeneralAmt>808</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>50237</TotalAmt>
        <ManagementAndGeneralAmt>50237</ManagementAndGeneralAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>19243</TotalAmt>
        <ManagementAndGeneralAmt>19243</ManagementAndGeneralAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>11868</TotalAmt>
        <ManagementAndGeneralAmt>11868</ManagementAndGeneralAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>979980</TotalAmt>
        <ProgramServicesAmt>979980</ProgramServicesAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>8123</TotalAmt>
        <ManagementAndGeneralAmt>8123</ManagementAndGeneralAmt>
      </DepreciationDepletionGrp>
      <OtherExpensesGrp>
        <Desc>BANK CHARGES</Desc>
        <TotalAmt>5646</TotalAmt>
        <ManagementAndGeneralAmt>5646</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>MISCELLANEOUS</Desc>
        <TotalAmt>5253</TotalAmt>
        <ManagementAndGeneralAmt>5253</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>1364458</TotalAmt>
        <ProgramServicesAmt>1178306</ProgramServicesAmt>
        <ManagementAndGeneralAmt>186152</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>952012</BOYAmt>
        <EOYAmt>1016293</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>199330</BOYAmt>
        <EOYAmt>199620</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>4925</BOYAmt>
        <EOYAmt>9750</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>155000</BOYAmt>
        <EOYAmt>205000</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>48736</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>8123</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>40613</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>3085526</BOYAmt>
        <EOYAmt>2628970</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <TotalAssetsGrp>
        <BOYAmt>4396793</BOYAmt>
        <EOYAmt>4100246</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>44150</BOYAmt>
        <EOYAmt>67166</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>44150</BOYAmt>
        <EOYAmt>67166</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>4285543</BOYAmt>
        <EOYAmt>4005230</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>67100</BOYAmt>
        <EOYAmt>27850</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>4352643</BOYAmt>
        <EOYAmt>4033080</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>4396793</BOYAmt>
        <EOYAmt>4100246</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>203575</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>-523138</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>304355</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>316668</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>210435</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>301027</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>297505</CurrentTaxYearAmt>
        <TotalAmt>1429990</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>865700</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>829483</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>390170</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>942256</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1203946</CurrentTaxYearAmt>
        <TotalAmt>4231555</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>1170055</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1146151</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>600605</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1243283</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1501451</CurrentTaxYearAmt>
        <TotalAmt>5661545</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp>
        <TotalAmt>0</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <TotalAmt>0</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <TotalAmt>0</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>5661545</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>55496</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>64101</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>54698</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>204883</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>66582</CurrentTaxYearAmt>
        <TotalAmt>445760</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>55496</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>64101</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>54698</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>204883</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>66582</CurrentTaxYearAmt>
        <TotalAmt>445760</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>1225551</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1210252</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>655303</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1448166</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1568033</CurrentTaxYearAmt>
        <TotalAmt>6107305</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.92700</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.92600</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.07300</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.07400</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <OtherLandBuildingsGrp>
        <InvestmentCostOrOtherBasisAmt>48736</InvestmentCostOrOtherBasisAmt>
        <DepreciationAmt>8123</DepreciationAmt>
        <BookValueAmt>40613</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>40613</TotalBookValueLandBuildingsAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>1568033</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueNotReportedAmt>0</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>1568033</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>1568033</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>1887596</TotExpnsEtcAuditedFinclStmtAmt>
      <LossesReportedAmt>523138</LossesReportedAmt>
      <ExpensesNotReportedAmt>523138</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>1364458</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>1364458</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE RETINA SOCIETY IS AN ORGANIZATION EXEMPT FROM FEDERAL INCOME TAXES UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE. FOR THE YEAR ENDED DECEMBER 31, 2022, THE SOCIETY DID NOT IDENTIFY ANY UNCERTAIN TAX POSITIONS TAKEN OR EXPECTED TO BE TAKEN IN AN INFORAMTION RETURN WHICH WOULD REQUIRE ADJUSTMENT TO OR DISCLOSE IN ITS FINANCIAL STATEMENTS. THE SOCIETY BELIEVES IT HAS NOT ENGAGED IN ANY ACTIVITIES FOR WHICH ITS TAX-EXEMPT STATUS WOULD NOT BE SUSTAINED UNDER EXMINATION. THE SOCIETY IS POTENTIALLY SUBJECT TO FEDERAL EXAMINATIONS FOR THE THREE YEARS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>AMERICAN ACADEMY OF OPTHALMOLOGY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>655 BEACH ST</AddressLine1Txt>
          <CityNm>SAN FRANCISCO</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94109</ZIPCd>
        </USAddress>
        <RecipientEIN>411336784</RecipientEIN>
        <IRCSectionDesc>501(C)(6)</IRCSectionDesc>
        <CashGrantAmt>25000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>SURGICAL SCOPE FUND</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UC REGENTS</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1111 FRANKLIN ST 12TH FLOOR</AddressLine1Txt>
          <CityNm>OAKLAND</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94607</ZIPCd>
        </USAddress>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>6250</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>GENERAL SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>REGENTS UNIVERSITY OF MICHIGAN</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1109 GEDDES AVE SUITE 3300</AddressLine1Txt>
          <CityNm>ANN ARBOR</CityNm>
          <StateAbbreviationCd>MI</StateAbbreviationCd>
          <ZIPCd>48109</ZIPCd>
        </USAddress>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>6250</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>GENERAL SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>JOHN HOPKINS UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>3400 N CHARLES ST</AddressLine1Txt>
          <CityNm>BALTIMORE</CityNm>
          <StateAbbreviationCd>MD</StateAbbreviationCd>
          <ZIPCd>21218</ZIPCd>
        </USAddress>
        <RecipientEIN>520595110</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>37500</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>GENERAL SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>WASHINGTON UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1 BROOKINGS DR</AddressLine1Txt>
          <CityNm>SAINT LOUIS</CityNm>
          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>63130</ZIPCd>
        </USAddress>
        <RecipientEIN>430653611</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>37500</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>GENERAL SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>WILLS EYE FOUNDATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>840 WALNUT ST</AddressLine1Txt>
          <CityNm>PHILADELPHIA</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>19107</ZIPCd>
        </USAddress>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>37500</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>GENERAL SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION DOES NOT MAKE GRANTS, ONLY CONTRIBUTIONS AND HONORARIUMS. THE HONORARIUMS ARE AWARDS AND FELLOWSHIPS GIVEN TO THREE ACTIVE MEMBERS OF THE ORGANIZATION EACH YEAR AT THE ANNUAL MEETING. THE INDIVIDUALS SUBMIT AN APPLICATION FOR THE AWARD AND FELLOWSHIPS AND AN AWARDS COMMITTEE EVALUATES THE APPLICATION AND CHOOSES THE RECIPIENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS ACTIVE MEMBERS, ASSOCIATE MEMBERS, CORRESPONDING MEMBERS, AND EMERITUS MEMBERS. ACTIVE MEMBERS ARE LIMITED TO PRACTICING PHYSICIANS IN THE UNITED STATES AND CANADA WHO: 1. HAVE BEEN CERTIFIED BY THE AMERICAN BOARD OF OPHTHALMOLOGY OR WHO HAVE BEEN CERTIFIED BY OR ARE FELLOWS OF THE ROYAL COLLEGE OF SURGEONS (CANADA) IN OPHTHALMOLOGY AND 2. HAVE COMPLETED AT LEAST ONE YEAR OF FELLOWSHIP TRAINING IN DISEASES OF THE RETINA AND/OR VITREOUS AND BEEN CERTIFIED BY THE DIRECTOR OF THE FELLOWSHIP PROGRAM AND 3. HAVE COMPLETED AT LEAST THREE YEARS OF ACTIVE CLINICAL PRACTICE PRIMARILY IN THE AREA OF DISEASE OF THE RETINA AND/OR VITREOUS AFTER COMPLETION OF THE FELLOWSHIP. ASSOCIATE MEMBERS ARE LIMITED TO PERSONS, OTHER THAN PRACTICING PHYSICIANS, WHOSE PRIMARY INTEREST IS THE BASIC SCIENTIFIC DISCIPLINES RELATED TO THE STUDY OF THE RETINA AND ITS DISEASES. CORRESPONDING MEMBERS ARE LIMITED TO PRACTICING PHYSICIANS OUTSIDE THE UNITED STATES AND CANADA WHO ARE ENGAGED PRIMARILY IN THE DIAGNOSIS, CARE, AND TREATMENT OF PERSONS SUFFERING FROM DISEASE AND INJURIES TO THE RETINA. EMERITUS MEMEBERS ARE MEMBERS OF ALL OTHER CLASSES WHO HAVE REACHED THE AGE OF SIXTY-FIVE OR WHO HAVE BEEN MEMBERS FOR TWENTY-FIVE YEARS, WHICHEVER OCCURS FIRST, AND SHALL HAVE THE OPTION OF BECOMING AN EMERITUS MEMBER BY NOTIFYING THE EXECUTIVE COMMITTEE IN WRITING. EACH ACTIVE MEMBER OF THE ORGANIZATION, BUT NO OTHER MEMBERS, ARE ENTITLED TO ONE VOTE AT ANY MEETING OF THE MEMBERS OF THE ORGANIZATION. ASSOCIATE, CORRESPONDING, AND EMERITUS MEMEBERS EXERCISE ALL OF THE RIGHTS AND ENJOY ALL OF THE PRIVILEGES OF ACTIVE MEMBERS EXCEPT THE RIGHT TO VOTE AND THE RIGHT TO HOLD OFFICE AND MEMBERSHIP COMMITTEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH ACTIVE MEMBER OF THE ORGANIZATION, BUT NO OTHER MEMBERS, ARE ENTITLED TO ONE VOTE AT ANY MEETING OF THE MEMBERS OF THE ORGANIZATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF THE ENTIRE FORM 990 IS PROVIDED TO ALL MEMBERS OF THE GOVERNING BODY PRIOR TO FILING WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION ADOPTED A CONFLICT OF INTEREST POLICY DURING MARCH 2016. THE POLICY REQUIRES ALL OFFICERS, DIRECTORS, AND KEY EMPLOYEES TO DISCLOSE ALL CONFLICTS OF INTEREST AS THEY ARISE AND TO ANNUALLY SIGN A CONFLICT OF INTEREST DISCLOSURE FORM AT THE WINTER EXECUTIVE COMMITTEE MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>NO CHANGES FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
