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Lecture

Structure of the Eye

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School
Pennsylvania State University
Department
Psychology
Course
PSYCH 100
Professor
Dr.Love
Semester
Fall

Description
Structure of the eye: the front Sclera • White outer surface Pupil and Iris • Opening for light to enter the eye Cornea • Focuses light into the eye Lens • Uses process of accommodation to focus image on retina Structure of the eye: the back Retina • Back of the eye where light is focused • Contains three layers Blind Spot • Exists at the optic nerve Closer look at the Retina Rods versus Cones • Number: there are more rods than cones • Location: rods are in the periphery, while cones are more centrally located • Function: rods are made for scotopic vision, cones are for photopic vision • Function: differences in acuity and color vision Visual information processing • Visual area of the thalamus • Visual cortex • Optic nerve • Optic chiasm • Optic tract • Retina Visual In
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