This document discusses cataracts, including their definition, types, causes, symptoms, diagnostic evaluation, management, nursing care, and complications. Specifically, it defines cataract as an opacification or cloudiness of the normally transparent crystalline lens resulting in visual disturbance. It notes that aging, genetics, diabetes, smoking, and exposure to ultraviolet light or ionizing radiation are common causes. Symptoms include clouded vision, glare, blurred vision, and difficulty seeing at night. Diagnostic evaluation involves visual acuity tests, slit lamp examination, and fundoscopy. Surgical management includes phacoemulsification, extracapsular extraction, and intraocular lens implantation. Nursing care focuses on managing anxiety, ensuring safety, providing