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Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement , make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement . C - MER C - MER EYE CARE HOLDINGS LIMITED 希瑪 眼科 醫療 控股 有限公司 ( Incorporated in the Cayman Islands with limited liability ) ( Stock Code : 3309 ) INTERIM RESULTS FOR THE SIX MONTHS ENDED 30 JUNE 2021 FINANCIAL HIGHLIGHTS Six months ended 30 June 2021 Note HK $ ' 000 2020 HK $ ' 000 Change ( Unaudited ) ( Unaudited ) Revenue 521,444 261,766 99.2 % Gross profit 178,858 61,466 191.0 % Profit / ( loss ) for the period 12,563 ( 22,177 ) N / A Profit / ( loss ) for the period attributable to equity holders of the Company 13,712 ( 20,981 ) N / A Earnings before interest , taxes , depreciation and amortisation 1 95,505 37,743 153.0 % Gross profit margin ( % ) 34.3 % 23.5 % 10.8 pp Net profit margin ( % ) 2.4 % N / A N / A Note : 1 This is not a measure of performance under Hong Kong Financial Reporting Standards ( “ HKFRSs " ) , but is widely used by management for monitoring business performance of a company from an operational perspective . It may not be comparable to similar measures presented by other companies . −1–