Binocularly implanted extended range of vision IOLs provide “excellent” stereoacuity at distance and near and a high quality of vision, according to a study.
Fifty patients were bilaterally implanted with the Tecnis Symfony IOL (Johnson & Johnson Vision) at the R.P. Centre for Ophthalmic Sciences, AIIMS, New Delhi, India. Stereopsis was assessed by vectograph tests, with patients wearing polarized spectacles, and both distance and near stereoacuity were measured using the Randot stereotest. Visual quality was assessed by measuring modulation transfer function, Strehl ratio and
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