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      <FootnoteTextInd>X</FootnoteTextInd>
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      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ENDOWMENT IS SOLELY USED TO SUPPORT PATIENT SERVICES.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>BOSTONSIGHT ACCOUNTS FOR THE EFFECT OF ANY UNCERTAIN TAX POSITIONS BASED ON A "MORE LIKELY THAN NOT" THRESHOLD TO THE RECOGNITION OF THE TAX POSITIONS BEING SUSTAINED BASED ON THE TECHNICAL MERITS OF THE POSITION UNDER SCRUTINY BY THE APPLICABLE TAXING AUTHORITY. IF A TAX POSITION OR POSITIONS ARE DEEMED TO RESULT IN UNCERTAINTIES OF THOSE POSITIONS, THE UNRECOGNIZED TAX BENEFIT IS ESTIMATED BASED ON A "CUMULATIVE PROBABILITY ASSESSMENT" THAT AGGREGATES THE ESTIMATED TAX LIABILITY FOR ALL UNCERTAIN TAX POSITIONS. INTEREST AND PENALTIES ASSESSED, IF ANY, ARE ACCRUED AS INCOME TAX EXPENSE. BOSTONSIGHT HAS IDENTIFIED ITS TAX STATUS AS A TAX EXEMPT ENTITY AND ITS DETERMINATION OF WHICH ACTIVITIES ARE RELATED AND UNRELATED AS ITS ONLY SIGNIFICANT TAX POSITIONS AND HAS DETERMINED THAT SUCH TAX POSITIONS DO NOT RESULT IN AN UNCERTAINTY REQUIRING RECOGNITION. BOSTONSIGHT IS NOT CURRENTLY UNDER EXAMINATION BY ANY TAXING JURISDICTION. FEDERAL AND STATE INCOME TAX RETURNS ARE GENERALLY OPEN FOR EXAMINATION FOR THREE YEARS FOLLOWING THE DATE FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>COST OF GOODS SOLD 361,625.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>COST OF GOODS SOLD 361,625.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
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        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DEBORAH JACOBS MD</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KAREN CARRASQUILLO OD PHD</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ILENE KNOPPING</PersonNm>
        <TitleTxt>DIR., BOSTONSIGHT NETWORK</TitleTxt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ALAN KWOK OD</PersonNm>
        <TitleTxt>OPTOMETRIST</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>1906</BonusFilingOrganizationAmount>
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        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KLIMENTY LEVIN</PersonNm>
        <TitleTxt>SOFTWARE ENGINEER</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>2281</BonusFilingOrganizationAmount>
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        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>SEE RESPONSE FOR LINE 7 (BELOW).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 4A</FormAndLineReferenceDesc>
        <ExplanationTxt>AN EMPLOYEE ENTERED INTO A SEVERANCE ARRANGEMENT. THAT EMPLOYEE RECEIVED TOTAL SEVERANCE PAY IN THE AMOUNT OF $177,692 IN 2018.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL STAFF MEMBERS RECEIVED A $500 GIFT CARD AND $1,000 AS A BONUS (AND THESE AMOUNTS WERE GROSSED-UP TO MAXIMIZE THE VALUE TO OUR EMPLOYEES). THE PRESIDENT OF BOSTON FOUNDATION FOR SIGHT DETERMINED THE AMOUNT AND APPROVED THE GIFT CARDS AND CASH BONUSES FOR PAYMENT. THE PRESIDENT'S BONUS IS DETERMINED ANNUALLY BY THE BOARD OF DIRECTORS.</ExplanationTxt>
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    </IRS990ScheduleJ>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>UPON RECEIVING DRAFTS FROM OUR CPA FIRM (AUDITORS), BOSTONSIGHT WILL TAKE THE FOLLOWING STEPS TO ASSURE ACCURACY AND COMPLIANCE WITH FEDERAL TAX REGULATIONS. THE PRESIDENT AND CFO OF BOSTONSIGHT WILL REVIEW THE FORM 990 IN DETAIL INCLUDING ACCOUNT GROUPINGS. UPON SATISFACTORY REVIEW, THE BOSTONSIGHT TREASURER WILL SUBMIT THE FORM 990 DRAFT TO THE BOSTONSIGHT AUDIT COMMITTEE. THE CPA FIRM WILL HOLD A MEETING FOR THE AUDIT COMMITTEE TO ADDRESS ANY CONCERNS OR QUESTIONS. UPON SATISFACTORY REVIEW BY THE AUDIT COMMITTEE, THE FINAL FORM 990 WILL BE GENERATED BY THE CPA FIRM. THE FINAL COPY OF THE FORM 990 WILL BE EMAILED TO ALL BOARD MEMBERS BEFORE FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>WE REQUIRE BOSTONSIGHT DIRECTORS, OFFICERS, AND KEY EMPLOYEES TO SIGN A CONFLICT OF INTEREST ACKNOWLEDGEMENT AND DISCLOSURE STATEMENT ANNUALLY. THE CEO AND CFO REVIEW THE FORMS AND DETERMINE IF A POTENTIAL CONFLICT EXISTS. ANY INDIVIDUAL THAT HAS A CONFLICT IS RECUSED FROM DISCUSSION AND VOTING ON THE GIVEN TOPIC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND AUDITED FINANCIAL STATEMENTS ARE AVAILABLE FROM THE ORGANIZATION UPON REQUEST. THE FORM 990 AND AUDITED FINANCIAL STATEMENTS ARE AVAILABLE VIA THE MASSACHUSETTS ATTORNEY GENERAL'S WEBSITE. THE FORM 990 IS ALSO AVAILABLE AT WWW.GUIDESTAR.ORG.</ExplanationTxt>
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          <BusinessNameLine1Txt>BOSTONSIGHT TECH INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
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          <AddressLine1Txt>464 HILLSIDE AVE STE 205</AddressLine1Txt>
          <CityNm>NEEDHAM</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
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        <PrimaryActivitiesTxt>MANUFACTURING MEDICAL DEVICES</PrimaryActivitiesTxt>
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      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
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      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
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</Return>