Blind registration and glaucoma simplex.
D000368:Aged; D001766:Blindness / Q000209:etiology*; D002386:Cataract / Q000150:complications; D004185:Disability Evaluation; D005500:Follow-Up Studies; D005901:Glaucoma / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D006801:Humans; D007429:Intraocular Pressure; D008131:London; D008875:Middle Aged; D009900:Optic Nerve / Q000473:pathology; D011379:Prognosis; D012042:Registries; D014792:Visual Acuity; D014794:Visual Fields