EYEWORLD ASIA-PACIFIC APACRS Publisher: EyeWorld Asia-Pacific Edition (I-- 173-1835) is published µuarterly by the Asia-Pacific Association of ataract E Refractive -urgeons (APA R-), cÉo -ingapore ational Eye Centre, 11 Third Hospital Avenue, Singapore 168751, telephone (65) 6322-7469, fax (65) 6327-8630, email ewap@apacrs.org. Printed in Singapore. Editorial Offices: EyeWorldAsia-Pacific Edition\ Asia-Pacific Association of ataract ERefractive -urgeons (APA R-), cÉo -ingapore ational Eye entre, 11 Third ospital Avenue, -ingapore 1È8751, telephone (65) 6322-7469, fax (65) 6327-8630, email ewap@apacrs.org. AdvertisingOffice: EyeWorldAsia-PacificEdition\Asia-PacificAssociationof ataractERefractive-urgeons (APA R-), cÉo -ingapore ational Eye entre, 11 Third ospital Avenue, -ingapore 1È8751, telephone (1-703) 975-7766, email don@apacrs.org. opyright 2021, Asia-Pacific Association of ataract E Refractive -urgeons (APA R-), cÉo -ingapore National Eye Centre, 11 Third Hospital Avenue, Singapore 168751, telephone (65) 6322-7469, fax (65) È327-8È30, email ewapJapacrs.org. icensed through the American -ociety of ataract E Refractive Surgery (ASCRS), 4000 Legato Road, Suite 700, Fairfax, VA 22033-4003, USA. All rights reserved. No part of this publication may be reproduced without written permission from the publisher. Letters to the editor and other unsolicited material are assumed intended for publication and are subject to editorial review and acceptance. The ideas and opinions eÝpressed in EyeWorld Asia-Pacific do not necessarily reyect those of the editors, publishers or its advertisers. Subscriptions: Reµuests should be addressed to the APA R- publisher, cÉo -ingapore ational Eye Centre, 11 Third Hospital Avenue, Singapore 168751, telephone (65) 6322-7469, fax (65) 6327-8630, email ewap@apacrs.org. Back copies: -ubect to availability. ontact the APA R- publisher, cÉo -ingapore ational Eye entre, 11 Third Hospital Avenue, Singapore 168751, telephone (65) 6322-7469, fax (65) 6327-8630, email ewap@apacrs.org. Requests to reprint, use or republish: Requests to reprint or use material published herein should be made in writing only to the APA R- publisher, cÉo -ingapore ational Eye entre, 11 Third Hospital Avenue, Singapore 168751, telephone (65) 6322-7469, fax (65) 6327-8630, email ewap@ apacrs.org. Change of address: otice should be sent to the APA R- publisher, cÉo -ingapore ational Eye entre, 11 Third Hospital Avenue, Singapore 168751, six weeks in advance of effective date. Include old and new addresses and label from a recent issue. The APACRS publisher cannot accept responsibility for undelivered copies. D number\ PP-17ÈÈÉ07É2013(02255) M I (P) 03É02É2022 CHINESE EDITION Regional Managing Editor Yao Ke, MD Deputy Regional Editor He Shouzhi, MD Zhao Jialiang, MD Assistant Editors Zhouqi, MD -hentu 8ingchao, MD INDIA EDITION Regional Managing Editor S. Natarajan, MD Deputy Regional Editor Abhay Vasavada, MD KOREAN EDITION Regional Managing Editor Hungwon Tchah, MD Deputy Regional Editor Chul Young Choi, MD EDITORIAL BOARD Chief Medical Editor Graham Barrett, MD Chief Publisher Ronald Yeoh, MD Executive Director Kathy Chen athy°VhenJapaVrs°org Publishing Consultant Donald R Long don@apacrs.org PUBLISHING TEAM Senior Staff Writer Chiles Aedam R. Samaniego chiles.samaniego@apacrs.org Production Team Javian Teh Huang Weitian Sunshine Ng Gretel Tan Christine Shimmon Aileen Bian ewap@apacrs.org Chan Wing Kwong, MD, Singapore Ronald Yeoh, MD, Singapore John Chang, MD, Hong Kong SAR Pannet Pangputhipong, MD, Thailand YC Lee, MD, Malaysia Hiroko Bissen-Miyajima, MD, Japan Kimiya Shimizu, MD, Japan Sri Ganesh, MD, India Chee Soon Phaik, MD, Singapore Johan Hutauruk, MD, Indonesia EDITORIAL MEMBERS True-K Formula ToricCalculator Universal II Formula RX Formula True-K Toric available at www.APACRS.org The latest update to the Barrett True K Formula, version 2.5, addresses yet another challenge to IOL power calculations—keratoconus. Selecting the option in the presence of keratoconus significantly improves the prediction of refractive outcomes and avoids unexpected hyperopia. Log on to www.apacrs.org and try it today! BARRETT IOL CALCULATOR NEWUPDATE!
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