Cataract is a cause of avoidable blindness and its prevalence increases with age. Cataract surgery is the only possible therapeutic modality for improving visual function in cataract patients. The rising numbers of cataract patients require a type of cataract surgery with minimal side effects and without hospitalization. In this connection the day care cataract surgery has been introduced, with…
Minimal visual angle determine visual acuity. A Landolt Ring, which specified for minimal visual angle measurement, have been identified some eumetrop subject that have less tha 1 minute value. Some of that subject have a supernormal visual acuity.