physiology of vision special senses - i. eye
TRANSCRIPT
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Physiology of vision
Special senses - I
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Muscles
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Vitreous humor: Intra-ocular fluid
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Layers of retina
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Color vision test
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Visual pathway
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Visual cortex
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Neural pathway of eye movement
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Glaucoma
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Cataract
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Nystagmus
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Squint/strabismusStrabismus is a condition that interferes with binocular vision because it prevents a person from directing both eyes simultaneously towards the same fixation point; the eyes do not properly align with each other.
Strabismus typically involves a lack of coordination between the extraocular muscles, which prevents directing the gaze of both eyes at once to the same point in space; it thus hampers proper binocular vision, and may affect depth perception adversely.
Strabismus is primarily managed by ophthalmologists, optometrists, and orthoptists. Strabismus is present in about 4% of children. Treatment should be started as early as possible to ensure the development of the best possible visual acuity and stereopsis.
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Other disorders