Rapid, objective detection of cataract-induced blur using a bull's eye photodetector.

Abstract

PURPOSE To determine whether optical aberrations caused by cataract can be detected and quantified objectively using a newly described focus detection system (FDS). SETTING The Wilmer Opthalmological Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA. METHODS The FDS uses a bull's eye photodetector to measure the double… (More)

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