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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION PERFORMED AN EVALUATION OF ITS UNCERTAINTY IN INCOME TAX FOR THE YEARS ENDED JUNE 30, 2024 AND 2023, AND DETERMINED THAT THERE WERE NO MATTERS THAT WOULD REQUIRE RECOGNITION IN THE CONSOLIDATED FINANCIAL STATEMENTS OR THAT MAY HAVE ANY EFFECT ON ITS TAX-EXEMPT STATUS. THE ORGANIZATION FOLLOWS THE ACCOUNTING STANDARD ON ACCOUNTING FOR UNCERTAINTY IN INCOME TAXES, WHICH ADDRESSES THE DETERMINATION OF WHETHER TAX BENEFITS CLAIMED OR EXPECTED TO BE CLAIMED ON A TAX RETURN SHOULD BE RECORDED IN THE CONSOLIDATED FINANCIAL STATEMENTS. UNDER THIS POLICY, THE ORGANIZATION MAY RECOGNIZE THE TAX BENEFIT FROM AN UNCERTAIN TAX POSITION ONLY IF IT IS MORE LIKELY THAN NOT THAT THE TAX POSITION WOULD BE SUSTAINED ON EXAMINATION BY TAXING AUTHORITIES, BASED ON THE TECHNICAL MERITS OF THE POSITION. MANAGEMENT HAS EVALUATED THE ORGANIZATION'S TAX POSITIONS AND HAS CONCLUDED THAT THE ORGANIZATION HAS TAKEN NO UNCERTAIN TAX POSITIONS THAT REQUIRE ADJUSTMENT TO THE CONSOLIDATED FINANCIAL STATEMENTS TO COMPLY WITH PROVISIONS OF THIS GUIDANCE. THE ORGANIZATION IS NO LONGER SUBJECT TO INCOME TAX EXAMINATIONS FOR THE U.S. FEDERAL, STATE OR LOCAL TAX AUTHORITIES FOR YEARS BEFORE JUNE 30, 2021.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>REVENUE FROM AFFILIATE INCLUDED ON CONSOLIDATED FINANCIAL STATEMENTS 40,495,598. LOSS ON EQUITY METHOD INVESTMENTS -2,303,541. ELIMINATION ENTRY INCLUDED ON FINANCIAL STATEMENTS -8,307,442.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES FROM AFFILIATES INCLUDED ON CONSOLIDATED FINANCIAL STATEMENTS 48,105,914. ELIMINATION ENTRY INCLUDED ON FINANCIAL STATEMENTS -8,307,442.</ExplanationTxt>
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        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>FFB EMPLOYEES PARTICIPATE IN AN ANNUAL INCENTIVE PLAN. THE PLAN PROVIDES AN ANNUAL CASH BONUS DEPENDING UPON THE ACHIEVEMENT OF PRE-DETERMINED ORGANIZATION AND INDIVIDUAL PERFORMANCE CRITERIA.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J, PART I, LINE 3:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOUNDATION FIGHTING BLINDNESS, INC., A RELATED ORGANIZATION, ESTABLISHES THE COMPENSATION FOR THE ORGANIZATION'S EMPLOYEES. THE FOUNDATION FIGHTING BLINDNESS, INC. USES A COMPENSATION COMMITTEE, INDEPENDENT COMPENSATION CONSULTANT, 990 OF OTHER ORGANIZATIONS, A COMPENSATION SURVEY OR STUDY, AND APPROVAL BY THE BOARD OR COMPENSATION COMMITTEE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOLE MEMBER OF FFB RD FUND IS THE FOUNDATION FIGHTING BLINDNESS, INC. (FFB).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>FFB ELECTS THE DIRECTORS OF FFB RD FUND ANNUALLY AS NEEDED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>DATA TO PREPARE THE FEDERAL FORM 990 IS PROVIDED TO OUR OUTSIDE ACCOUNTING FIRM FOR PREPARATION AND GUIDANCE. AFTER IT HAS BEEN COMPLETED, A DRAFT OF THE FEDERAL FORM 990 IS REVIEWED BY THE VP, FINANCE AND CHIEF OPERATING OFFICER. WITH THE COO'S APPROVAL, THE DRAFT FEDERAL FORM 990 IS THEN MADE AVAILABLE TO ALL BOARD MEMBERS. A FINAL DRAFT IS MADE AVAILABLE TO ALL BOARD MEMBERS BEFORE FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>IN CONNECTION WITH ANY ACTUAL OR POSSIBLE CONFLICT OF INTEREST, AN INTERESTED PERSON (INCLUDING OFFICERS, DIRECTORS, AND KEY EMPLOYEES) MUST DISCLOSE, IN WRITING PRIOR TO ANY DISCUSSION OR VOTE UPON A PROPOSAL, THE EXISTENCE AND NATURE OF HIS OR HER PERSONAL INTEREST TO THE CHAIR OF THE BOARD AND CHAIR OF THE BOARD COMMITTEE CONSIDERING THE PROPOSED TRANSACTION OR ARRANGEMENT. AFTER DISCLOSURE OF THE FINANCIAL OR NON-FINANCIAL INTEREST AND ALL MATERIAL FACTS, THE INTERESTED PERSON SHALL LEAVE THE BOARD OR COMMITTEE MEETING WHILE THE FINANCIAL OR NON-FINANCIAL INTEREST IS DISCUSSED AND VOTED UPON. THE REMAINING BOARD SHALL DECIDE IF A CONFLICT OF INTEREST EXISTS, AND IF SO, WHETHER THERE IS A COMPELLING REASON TO RECOMMEND TO THE BOARD THAT THE CONFLICT OF INTEREST POLICY BE OVERRIDDEN. A QUORUM IS NEEDED FOR VOTING AND THE VOTE TO OVERRIDE SHALL BE BY MAJORITY AND DULY NOTED IN THE MINUTES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>FFB RD FUND'S FEDERAL FORM 990 TAX RETURN AND CONSOLIDATED AUDIT ARE AVAILABLE AT ITS SUPPORTED ORGANIZATION'S WEBSITE, WWW.FIGHTINGBLINDNESS.ORG. OTHER PUBLIC GOVERNING DOCUMENTS INCLUDING THE CONFLICT OF INTEREST POLICY ARE AVAILABLE UPON REQUEST THROUGH THE CONTACT INFORMATION DISCLOSED ON FFB'S WEB SITE. THESE DOCUMENTS ARE AVAILABLE FOR THE SAME PERIOD OF DISCLOSURE AS SET FORTH IN SECTION 6104(D).</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VII, SECTION A:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOUNDATION FIGHTING BLINDNESS, INC. (FFB), A RELATED ORGANIZATION, ACTS AS THE COMMON PAYMASTER FOR FFB RD FUND. FFB ALSO APPROVES AND REVIEWS ANY COMPENSATION TO OFFICERS, DIRECTORS, TRUSTEES AND KEY EMPLOYEES OF FFB RD FUND IN CONFORMANCE WITH THEIR COMPENSATION DETERMINATION POLICY. BOARD MEMBERS WERE NOT COMPENSATED FOR THEIR SERVICE ON THE BOARD, BUT SOME RECEIVED STIPENDS FOR SERVING ON THE FFB'S SCIENTIFIC ADVISORY BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>LOSS ON EQUITY METHOD INVESTMENT -2,303,541.</ExplanationTxt>
      </SupplementalInformationDetail>
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          <StateAbbreviationCd>MD</StateAbbreviationCd>
          <ZIPCd>21045</ZIPCd>
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          <CityNm>COLUMBIA</CityNm>
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      <GiftGrntCapContriFromOthOrgInd>1</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
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      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
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      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
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  </ReturnData>
</Return>