The Eye Special Sense Organs. Three Layers of Tissue 1.the sclera 2.the choroids 3.the retina.
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The Eye Special Sense Organs
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Transcript of The Eye Special Sense Organs. Three Layers of Tissue 1.the sclera 2.the choroids 3.the retina.
The EyeSpecial Sense Organs
Three Layers of Tissue
1. the sclera
2. the choroids
3. the retina
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.
Vision
HyperopiaFarsightedness
Image shows up behind the retina – eye is too short
MyopiaNearsightedness
Image shows up in front of the retina – eye is too long
PresbyopiaOldsightedness
Lens looses its ability to focus on objects – can’t see objects up close
