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M. Ang, M. Baskaran, H.–T. Wong, A. Jap, S.K. L. Seah, P.T. K. Chew, T. Aung; Singapore Survey of Prophylactic Laser Iridotomy for Asymptomatic Primary Angle Closure Suspects . Invest. Ophthalmol. Vis. Sci. 2006;47(13):3428.
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Approximately 10% of Chinese people older than 50 years have asymptomatic narrow angles (primary angle closure suspects, PACS). The aim of this study was to determine the attitudes and practices of ophthalmologists in Singapore with regards to prophylactic laser peripheral iridotomy (PI) for PACS.
A nation wide questionnaire–based survey was conducted on all registered, practising ophthalmologists in Singapore.
There was a 75% response rate. Of the respondents, 83.1% would advise prophylactic laser PI for asymptomatic PACS. 83% believed that prophylactic PI would prevent acute angle closure but only 42% thought it could prevent development of glaucomatous optic nerve damage. The preferred method of prophylactic PI was sequential argon–YAG PI. In assessing patients for angle closure, 78% used gonioscopy, 94% assessed anterior chamber depth and 19% performed provocative tests
Singapore ophthalmologists vary in the method of assessment of patients with angle closure, but most believe that prophylactic laser PI should be performed for asymptomatic PACS.
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