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| Normal adjustment of the eye to focus on objects from far to near |
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| Area behind the cornea and in front of the lens and iris |
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| Fluid produced by the ciliary body and found in the anterior chamber |
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| consisting of 2 surfaces that are rounded,elevated, and curved evenly, like part of a sphere |
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| Middle, vascular layer of the eye, btwn the retina and the sclera |
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| Structure surrounding the lens that connects the choroid and iris. Secretes aqueous humor |
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| Photoreceptor cell in the retina that transforms light energy into a nerve impulse. Responsible for color & central vision |
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| Delicate membrane lining the under surface of the eyelids and covering the anterior eyeball |
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| Fibrous transparent layer of clear tissue that extends over the anterior portion of the eyeball |
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| Tiny pit or depression in the retina that is the region of clearest vision |
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| Posterior, inner part of the eye |
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| Pigmented (colored) layer that opens and closes to allow more or less light into the eye |
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| Transparent, biconvex body behind the pupil of the eye. It refracts light rays to bring them into focus on the retina |
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| Yellowish region on the retina lateral to and slightly below the optic disc. Contains the fovea centralis |
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| Point at which optic nerve fibers cross in the brain |
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| Region at the back of the eye where the optic nerve meets the retina. It is the blind spot of the eye because it contains only nerve fibers,no rods or cones. |
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| Cranial nerve carrying impulses from the retina to the brain |
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| central opening of the eye, surrounded by the iris, through which light rays pass. It appears dark |
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| Bending light rays by the cornea,lens,and fluids of the eye to bring rays into focus on the retina |
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| Light-sensitive nerve cell layer of the eye containing photoreceptor cells(rods & cones) |
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| Photoreceptor cell of the retina essential for vision in dim light and for peripheral vision |
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| Tough, white outer coat of the eyeball |
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| Relay center of the brain. Optic nerve fibers pass through the thalamus on their way to the cerebral cortex |
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| Soft, jelly-like material behind the lens in the vitreous chamber; helps maintain the shape of the eyeball |
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| Defective curvature of the cornea or lens of the eye |
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| Impairment of vision as a result of old age |
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| Clouding of the lens, causing decreased vision |
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| small, hard, cystic mass on the eyelid |
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| Dilation of retinal veins, and neovascularization (new blood vessels form in the retina) |
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| Increased intraocular pressure results in damage to the retina and optic nerve with loss of vision |
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| Inflammation of the eyelid |
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| Granuloma formed around an inflamed sebaceous gland |
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| Retinal effects of diabetes mellitus include microaneurysms, hemorrages, dilation of retinal veins, and neovascularization (new blood vessels form in the retina) |
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| Increased intraocular pressure results in damage to the retina and the optic nerve with loss of vision |
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| Repetitive rhythmic movements in one or both eyes |
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| Intravenous injection of flourescein (a dye) followed by serial photographs of the retina through dilated pupils |
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| Examination of anterior ocular structures under microscopic magnification |
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| Ultrasonic vibrations break up the lens, which then is aspired through the ultrasonic probe |
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| Suture of a silicone band to the sclera over a detached portion of the retina |
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| Head, eyes, ears, nose and throat |
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| Pupils Equal, Round, Reactive to Light and Accommodation |
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