Certified Paraoptometric Anatomy

Anterior Chamber CORRECT ANSWER-behind the cornea, in front of the iris. Filled with clear watery fluid Aqueous Humor CORRECT ANSWER-clear watery fluid produced by ciliary body. provides nutrients for lens and posterior cornea, carries away waste. maintains ocular pressure Choroid CORRECT ANSWER-blood vessels that nourish the retina. between the sclera and retina Ciliary Muscle CORRECT ANSWER-muscle that alters the shape of crystalline lens. Has direct control of focusing ability Conjunctiva CORRECT ANSWER-clear, cellophane like tissue covers sclera and inside surface of lids. Palpebral Conjunctiva CORRECT ANSWER-lines lids Bulbar Conjunctiva CORRECT ANSWER-covers sclera Cornea CORRECT ANSWER-clear, transparent tissue on very front of eye. most powerful refractive media. provides ability to focus on light. Avascular (has no blood vessels) 5 Layers of Cornea CORRECT ANSWER-Front to Back: 1) Epithelium 2) Bowman's layer 3) Stroma