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Evidence of cataract surgery can be traced as far back as biblical times, and even further to Sanskrit scriptures written in the sixth century BC. Following surgery, patients are often amazed and thankful for the restoration of their sight. However, their visual experiences during cataract surgery remain somewhat of a mystery.
It is generally believed that the majority of patients undergoing cataract surgery, under local anaesthesia, experience visual perception. These visual sensations are believed, by both patients and surgeons alike, to depict an interplay of perception to light, object motion, flashing lights, …
Competing interests None.
Provenance and peer review Not commissioned; not externally peer reviewed.