Negative dysphotopsia: a pending challenge for cataract surgeons

Abstract

Negative disfotopsia is an important cause of patient´s dissatisfaction after an uncomplicated cataract surgery. The affected individuals perceive a dark shadow on the temporal visual field, in the form of a crescent or arc, that transforms in frustrating a postsurgical result otherwise considered as successful. Given the several articles published on this topic, this review hopes to summarize the most up-to-date literature about this optic phenomenon considering its causes, associated factors, diagnosis and current treatment.

Key words: Negative disfotopsia; catarat; surgery; diagnosis, treatment.