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33 Cards in this Set
- Front
- Back
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accommodation
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Normal adjustment of the eye to focus on objects from near to far.
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cilary body
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Structure on each side of the lens that connects the choroid and the iris.
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cone
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Photoceptor cell in the retina that transforms light energy into a nerve impulse.
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conjunctiva
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Delicate membrane lining the eyelids and covering the anterior eyeball.
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cornea
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Fibrous transparent layer of clear tissue that extends over the anterior portion of the eyeball.
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fovea centralis
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Tiny pit or depression in the retina that is the region of clearest vision.
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iris
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Colored pigmented membrane surrounding the pupil of the eye.
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lens
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Transparent, biconvex body behind the pupil.
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pupil
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Dark opening of the eye, surrounded by the iris through which light rays pass.
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refraction
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Bending of light rays by the cornea, lens and fluids of the eye to bring the rays into focus on the retina.
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rod
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Photoreceptor cell of the retina essential for vision in dim light and for peripheral vision.
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vitreous humor
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Soft, jelly-like material behind the lens in the virtreous chamber: maintains shape of eyeball.
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blephar/o
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eyelid
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corne/o
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cornea
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ir/o
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iris
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irid/o
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iris
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kerat/o
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cornea
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lacrim/o
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tears
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ocul/o
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eye
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opthalm/o
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eye
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opt/o
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eye
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optic/o
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eye
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nyct/o
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night
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Name 4 combining words for eye.
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ocul/o opthalm/o optic/o opt/o
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Presby/o
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old age
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-opia
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vision
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Presbyopia
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Impairment of vision as a result of old age
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cataract
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Clouding of the lens causing decreased vision.
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diabetic retinopathy
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Retinal effects of diabetes mellitus including, microaneurysms, hemorrhages, dilation of retinal veins and neovascularization.
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glaucoma
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Increased intraocular pressure that results in damage to the retina and optic nerve with loss of vision.
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macular degeneration
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Progressive damage to the macula of the retina.
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strabismus
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Abnormal deviation of the eye
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astigmatism
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This problem results from one or more abnormal curvatures of the cornea or lens.
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