title: Preoperative evaluation of visual function: introduction.
mesh_terms: D002386:Cataract / Q000150:complications; D002387:Cataract Extraction; D004596:Electroretinography; D006801:Humans; D008268:Macular Degeneration / Q000150:complications / Q000175:diagnosis*; D012025:Reflex, Pupillary; D012162:Retinal Degeneration / Q000175:diagnosis*; D014787:Vision Tests; D014794:Visual Fields