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23 Cards in this Set
- Front
- Back
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Refraction |
Light Bending |
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Accomodation |
Ability to focus for close vision (under 20 feet) |
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Emmetropia |
Normal Vision |
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Hyperopia |
Inability to focus well on close objects ; farsightedness |
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Photopupillary Reflex |
Reflex constriction of pupils when they are exposed to bright light |
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Cataract |
Clouding of the lens, resulting in loss of sight |
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Myopia |
Nearsightedness |
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Astigmatism |
Blurred vision, resulting from unequal curvarures of the lens or cornea |
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Glaucoma |
Condition of increasing pressure within the eye |
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Convergence |
Medial movement of the eyes during focusing on close objects |
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Accomodation Pupillary Reflex |
Reflex constriction of the pupils when viewing close objects |
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Night Blindness |
Inability to see well in the dark; often a result of Vitamin A defficiency |
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Suspensory Ligament |
Attaches the lens to the ciliary body |
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Aqueous Humor |
Fluid in the anterior segment that provides nutrients to the lens and cornea |
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Sclera |
The "white" of the eye |
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Optic Disk |
Area of retina that lacks photoreceptors |
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Ciliary body |
Contains muscle that controls the shape of the lens |
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Choroid coat |
Heavily pigmented layer that prevents light scattering within the eye |
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Ciliary Body/Iris |
Smooth muscle structures |
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Fovea Centralis |
Area of acute or descrimatory vision |
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Aqueous Humor/Cornea |
Refractory Media of the eye |
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Lens/Vitreous Humor/Cornea |
Most anterior part of sclera; your "window" into the world |
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Iris |
Pigmented "diaphragm" of the eye |
