EYE TERMINOLOGY
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Increase in optical power by the eye in order to maintain a clear image (focus) as objects are moved closer | accommodation
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| Natural loss of accommodation with increasing age | presbyopia
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| "lazy eye." Decreased vision in one or both eyes without detectable anatomic damage in the eye or visual pathways. Usually uncorrectable by eyeglasses or contact lenses. | amblyopia
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| Clear, watery fluid that fills the space between the back surface of the cornea and the front surface of the vitreous, bathing the lens. Produced by the ciliary processes. Nourishes the cornea, iris, and lens and maintains intraocular pressure | aqueous humor
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| Vague eye discomfort arising from use of the eyes; may consist of eyestrain, headache, and/or browache. May be related to uncorrected refractive error or poor fusional amplitudes. | asthenopia
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| Optical defect in which refractive power is not uniform in all directions (meridians). Light rays entering the eye are bent unequally by different meridians, which prevents formation of a sharp image focus on the retina | astigmatism
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| Blending of the separate images seen by each eye into one composite image | binocular vision
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| Sightless area within the visual field of a normal eye. Caused by absence of light sensitive photoreceptors where the optic nerve enters the eye. | blind spot
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quixoptic
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