Ophthalmology.
D000368:Aged; D002386:Cataract / Q000628:therapy; D002387:Cataract Extraction; D002908:Chronic Disease; D003261:Contact Lenses; D005901:Glaucoma / Q000175:diagnosis / Q000628:therapy; D006801:Humans; D053685:Laser Therapy; D007909:Lenses; D008268:Macular Degeneration / Q000601:surgery; D008866:Microsurgery; D008875:Middle Aged; D019736:Prostheses and Implants; D012162:Retinal Degeneration / Q000601:surgery; D058609:Visual Field Tests