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Lecture 15

Lecture 15 - Sensory Physiology (IV)

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Department
Biological Sciences
Course
BIOD27H3
Professor
Catherine Nash
Semester
Fall

Description
Lecture 15110311Sensory Physiology 4Internal Anatomy of the Eye The eye is a hollow sphere divided into 2 compartments separated by the lens Compartments contain aqueous humor and vitreous humorLens and cornea focus light on the retina Bending of the lens is controlled by zonules and cilary musclesRetina contains blood vessels photoreceptors optic disk fovea VisionLight enters eye through the corneaAmount of light modulated by the pupil can change from 15mm8mm in diameter 28 fold difference in pupil areaLens focuses light waves on the retina Muscles that control the lens to focus light cause the lens to change shapePhotoreceptors
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