the eye special sense organs. three layers of tissue 1.the sclera 2.the choroids 3.the retina
TRANSCRIPT
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The EyeSpecial Sense Organs
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Three Layers of Tissue
1. the sclera
2. the choroids
3. the retina
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PhotoreceptorsRods are responsible for detecting objects in dim light – black and white.
Cones are responsible for detecting objects in bright light – colors – red, green, and blue.
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Vision
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HyperopiaFarsightedness
Image shows up behind the retina – eye is too short
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MyopiaNearsightedness
Image shows up in front of the retina – eye is too long
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PresbyopiaOldsightedness
Lens looses its ability to focus on objects – can’t see objects up close