PSYB51H3 Lecture Notes - Lecture 2: Retinitis Pigmentosa, Photopic Vision, Scotopic Vision

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2 Feb 2016
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Friday, january 17, 2014 (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) Retina: dark and light adaptation, retinitis pigmentosa: a retinal disease. Light: a wave; a stream of photons, tiny particles that each consist of one. Light can be absorbed, diffracted, reflected, transmitted or refracted. Absorbed: energy (e. g. , light) that is taken up, transformed to other. Transmitted: convey light from one place to another through a forms of energy transparent medium. Reflected: energy that is redirected when it strikes a surface: purkinje reflections, eye movements. Diffracted: bent, or having waves that are spread out, (e. g. , waves of sound or light, as they encounter an obstacle, e. g. , pass through a narrow aperture) Refracted: energy that is altered as it passes into another medium, (e. g. , light entering water from the air: depth of a swimming pool, lenses. The human eye (refer to slides for visuals)

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