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Incident cataract associated with myopic shift in older population
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Older age, baseline hyperopia and incident cataract of all types are associated with myopic refractive shift over a span of 5 years, researchers with the Blue Mountains Eye Study in Australia found.
Jai Panchapakesan and colleagues at the University of Sydney analyzed data from 2,335 of the initial participants of the large cohort study who were followed for 5 years. Age, incident nuclear cataract, hyperopia, incident posterior subcapsular cataract and incident cortical cataract were factors associated with a mild myopic shift (0.34 D). Baseline myopia and gender were not associated with refractive change during the follow-up period. Myopic shift occurred more frequently in people older than 70 than in those younger than 70.
The study is published in Ophthalmic Epidemiology.