The lens.
D000768:Anesthesia, General; D000772:Anesthesia, Local; D001294:Attitude to Health; D002386:Cataract / Q000150:complications / Q000209:etiology; D002387:Cataract Extraction; D004487:Edema / Q000209:etiology; D005901:Glaucoma / Q000150:complications / Q000209:etiology; D006470:Hemorrhage / Q000209:etiology; D006801:Humans; D007498:Iris / Q000601:surgery; D007908:Lens, Crystalline / Q000002:abnormalities / Q000033:anatomy & histology; D008266:Macula Lutea; D011183:Postoperative Complications; D013525:Surgical Instruments; D014605:Uveitis / Q000150:complications; D014822:Vitreous Body; D014945:Wound Healing