| A | B |
| 3 | # of layer in the inner eye |
| 120 Million | # of rods in each eye |
| 6 Million | # of cones in each eye |
| Cataract Surgery | Rremoval of a cataract. |
| Choroid | Contains blood vessels that supply nutrients to the eye |
| Ciliary Body | Contains muscles that adjust the shape of the lens |
| Ciliary Body | Produces aqueous humor |
| Cones | Responsible for bright-light vision |
| Conjunctival Membrane | Provides lubrication and protection to the outer eye |
| Cornea | Center for focusing |
| Cornea | Consists of five layers and is protected by tears |
| Diopter | Unit of measurement to determine lens refractory power. |
| Enucleation | Surgical removal of an eyeball |
| Eyeball | Another term for the inner eye |
| Eyelids | Provide protection from light, dust and trauma |
| Inner Layer | Consists of retina, rods & cones |
| Iris | Colored part of the eye |
| Keratoplasty | Corneal transplant |
| Lacrimal Apparatus | Produces, delivers and drains tears from the eye |
| Lacrimal Glands and Ducts | Produce and deliver tears |
| Laser Photocoagulation | Thermal light energy used to treat retinal detachment or bleeding from retina |
| Middle Layer | Consists of choroid, ciliary body, iris & pupil |
| Ocular Muscles | Provides the eyeball with movement |
| Ophthalmoscopy | Visual examination of the inner eye |
| Orbital Cavity | The eyeball fits into the _ _ |
| Outer Eye | Consists of the orbital cavity, extrinsic ocular muscles, eyelids, conjunctival membrane and lacrminal apparatus |
| Outer Layer | Contains the cornea & sclera |
| Pupil | Opening in center of iris, regulating the amount of light coming into the eye |
| Refraction Test | Examination procedure to determine the eye's refractive error and the best corrective lenses needed |
| Retina | Nerve layer of the eye containing rods and cones |
| Rods | Function in dim light - responsible for night vision |
| Sclera | Tough, white, fibrous, connective tissue that maintains shape of the eye and protects the inner layers of tissue |
| Tonometry | Test measuring intraocular pressure |
| Tonometry | Test to diagnose glaucoma |
| Visual Acuity Test | Test measuring eye's ability to distinguish object details and shape |