The document discusses the anatomy of the eye and cataracts. It describes the key parts of the eye including the sclera, lens, retina, choroid coat, ciliary processes, and ciliary muscles. It then defines cataracts as a clouding of the lens, notes that they affect vision and are common in older adults, and lists symptoms like blurred vision and light sensitivity. The treatment involves surgical implantation of a new lens.

4. Cat Racks

6. Cataracts