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    <element id="HROW_LossesOnExtinguishmentOfDebt" name="LossesOnExtinguishmentOfDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_PaymentOfTaxesForVestingOfRestrictedStockUnit" name="PaymentOfTaxesForVestingOfRestrictedStockUnit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_ProceedsFromSaleOfPreferredStockNetOfDiscountAndIssuanceCosts" name="ProceedsFromSaleOfPreferredStockNetOfDiscountAndIssuanceCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_PaymentsForRedemptionOfPreferredStock" name="PaymentsForRedemptionOfPreferredStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_ReconciliationOfCashCashEquivalentsAndRestricedCashAtEndOfPeriodAbstract" name="ReconciliationOfCashCashEquivalentsAndRestricedCashAtEndOfPeriodAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_CashCashEquivalentsAndRestrictedCashAtEndOfPeriod" name="CashCashEquivalentsAndRestrictedCashAtEndOfPeriod" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_PurchaseOfPropertyPlantAndEquipmentIncludedInAccountsPayableAndAccruedExpenses" name="PurchaseOfPropertyPlantAndEquipmentIncludedInAccountsPayableAndAccruedExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_DisclosureInvestmentInSurfaceOphthalmicsInc.RelatedPartyTransactionsAbstract" name="DisclosureInvestmentInSurfaceOphthalmicsInc.RelatedPartyTransactionsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_InvestmentsAndAgreementsRelatedPartyTransactionsTextBlock" name="InvestmentsAndAgreementsRelatedPartyTransactionsTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_DisclosureCapitalizedSoftwareDevelopmentCostsAbstract" name="DisclosureCapitalizedSoftwareDevelopmentCostsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_CapitalizedSoftwareDevelopmentCostsTextBlock" name="CapitalizedSoftwareDevelopmentCostsTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_DisclosureLeasesAbstract" name="DisclosureLeasesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_LesseeOperatingLeaseAndFinanceLeaseTextBlock" name="LesseeOperatingLeaseAndFinanceLeaseTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_RisksUncertaintiesAndLiquidityPolicyTextBlock" name="RisksUncertaintiesAndLiquidityPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_InvestmentOnePolicyTextBlock" name="InvestmentOnePolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_InvestmentTwoPolicyTextBlock" name="InvestmentTwoPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_ScheduleOfCondensedIncomeStatementOneTableTextBlock" name="ScheduleOfCondensedIncomeStatementOneTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_ScheduleOfCondensedBalanceSheetOneTableTextBlock" name="ScheduleOfCondensedBalanceSheetOneTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_ScheduleOfPrepaidExpensesAndOtherCurrentAssetsTableTextBlock" name="ScheduleOfPrepaidExpensesAndOtherCurrentAssetsTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_CapitalizedSoftwareDevelopmentCostsTableTextBlock" name="CapitalizedSoftwareDevelopmentCostsTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_ScheduleofWarrantsOutstandingTableTextBlock" name="ScheduleofWarrantsOutstandingTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_InvestmentPaidInKindInterest" name="InvestmentPaidInKindInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_ReductionInCommonStockInvestment" name="ReductionInCommonStockInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_AccountsReceivableTransferredToNoteReceivable" name="AccountsReceivableTransferredToNoteReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_ComputerHardwareGross" name="ComputerHardwareGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_CapitalizedComputerSoftwareInternalUseInProcess" name="CapitalizedComputerSoftwareInternalUseInProcess" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_FiniteLivedIntangibleAssetsImpairment" name="FiniteLivedIntangibleAssetsImpairment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour" name="FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" name="LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_LeaseExpirationDateDescription" name="LeaseExpirationDateDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_AdditionalAreaOfLand" name="AdditionalAreaOfLand" nillable="true" xbrli:periodType="duration" type="dtr-types:areaItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsEquityInstrumentsOutstandingWeightedAverageExercisePrice1" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsEquityInstrumentsOutstandingWeightedAverageExercisePrice1" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_SharebasedCompensationArrangementBySharebasedPaymentAwardNonOptionsEquityInstrumentOutstandingWeightedAverageRemainingContractualTerm1" name="SharebasedCompensationArrangementBySharebasedPaymentAwardNonOptionsEquityInstrumentOutstandingWeightedAverageRemainingContractualTerm1" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_WarrantsIssuanceDate" name="WarrantsIssuanceDate" nillable="true" xbrli:periodType="duration" type="xbrli:dateItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_WarrantsAndRightsOutstandingMaturityDates" name="WarrantsAndRightsOutstandingMaturityDates" nillable="true" xbrli:periodType="duration" type="xbrli:dateItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_CashlessExerciseOfOptionsShares" name="CashlessExerciseOfOptionsShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_CashlessExerciseOfOptionsPricePerShares" name="CashlessExerciseOfOptionsPricePerShares" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_CommonStockWithheldOnCashlessExercise" name="CommonStockWithheldOnCashlessExercise" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_CommonStockWithheldForPayrollTaxWithholdingsShares" name="CommonStockWithheldForPayrollTaxWithholdingsShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_CommonStockWithheldForPayrollTaxWithholdings" name="CommonStockWithheldForPayrollTaxWithholdings" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_CommonStockWithheldForPayrollTaxWithholdingsValue" name="CommonStockWithheldForPayrollTaxWithholdingsValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_ClosingPriceOfCommonStockPricePerShare" name="ClosingPriceOfCommonStockPricePerShare" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_RoyaltyPaymentDescription" name="RoyaltyPaymentDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_MilestonePaymentInCash" name="MilestonePaymentInCash" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_InitialMilestonePayment" name="InitialMilestonePayment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_CommissionExpirationDate" name="CommissionExpirationDate" nillable="true" xbrli:periodType="duration" type="xbrli:dateItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_CommissionRevenues" name="CommissionRevenues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_DescriptionForCommissionPayments" name="DescriptionForCommissionPayments" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_CommissionPaymentsPercentage" name="CommissionPaymentsPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_CommercialPaymentsForRoyalties" name="CommercialPaymentsForRoyalties" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="HROW_MilestonePaymentsOnPayables" name="MilestonePaymentsOnPayables" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
