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can indicate vestibular or brainstem damage; pts that exhibit a spontaneous nystagmus most likely have some kind of pathology |
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image falls behind the retina |
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image falls in front of the retina |
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Definition
loss of transparency of the lens |
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: results from excessive intraocular p! |
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: results in persistent constriction of the pupil, drooping of the eyelid, dilated blood vessels and anhydrosis (loss of sweating) due to lesion in the sympathetic n. to the eye (usually to the cervical sympathetic chain) |
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“Double vision” blurring of the visual field due ocular motility dysfunction |
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results in a pupil that doesn’t respond to light but does respond to accommodation-seen in syphilis |
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due to deficiency of vit. A which is required to form retinal for the photochemistry required in vision |
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: a loss of half of the visual field of each eye |
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