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To report changes in perceived visual functioning after surgery for symptomatic cataract with pre-operative corrected distance visual acuity [CDVA] of 0.4 logMar or better (Snellen equivalent, 20/50) and to investigate the relationship between any observed changes and preoperative physical characteristics and psycho-physical consquences of the lens opacity and any changes in psychophysical findings after the procedure.
Charalampidou S, Loughman, J, Nolan J, Stack J, Cassidy L, Pesudovs K, Beatty S. (2011). Prognostic Indicators and Outcome Measures for Surgical Removal of Symptomatic Non-Advanced Cataract. Archives of Ophthalmology, 129(9), 1155-61