<prompt> A 55 year old patient complains of decreased distance vision. However, now he does not require his near glasses for near work. The most likely cause is-Posterior subcapsular cataractZonular cataractNuclear sclerosisAnterior subcapsular cataract  <response>: This is a typical example of second-sight. Ref: Ophthalmology by Ducker 2nde p.412. Ref: Ophthalmology by Ducker 2nde p.412 This is a typical example of second-sight. When a neclear cataract develops, it can bring about a temporary improvement in near vision, called second sight. 