Mind map
Topic 5- The Iris Reflex
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Topic 5- The Iris Reflex
What is the iris reflex?
- very bright light can damage the retina so you have the iris reflex to protect the retina
Bright Light
- Radial muscles of the iris relaxed
- Circular muscles of the iris contracted
- Contracted pupil (less light enters the eye)
Dim Light
- Radial muscles of the iris contracted
- Circular muscles of the iris relaxed
- Dilated pupil (more light enters the eye)
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- Description
- -What is the iris reflex -Reflex when bright light -Reflex when dim light -Diagrams showing bright and dim light differences
- Created by
- Rose Tarnowski
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