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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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colleen colleen
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11 years ago
A patient has sustained an injury to the inner layer of his left retina. The nurse realizes that this patient will have difficulty with
1. tear production.
2. blinking.
3. reading.
4. peripheral vision and color perception.
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#1
Valued Member
11 years ago
4 -- The retina is the innermost lining of the eyeball. It has an outer pigmented layer and an inner neural layer. The transparent inner layer is made up of millions of light receptors in structures called rods and cones. Rods enable vision in dim light as well as peripheral vision. Cones enable vision in bright light and the perception of color. Tear production and blinking are not controlled by the inner retina. Reading will still be possible with this type of injury.
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