A patient is diagnosed with a corneal abrasion. When reviewing this injury with the patient which layer of the eye should the nurse explain as being damaged?
a. Fibrous tunic
b. Nervous tunic
c. Vascular tunic
d. Muscular tunic
ANS: A
The wall of the eyeball has three layers. The outer fibrous tunic contains the sclera and cornea. C. The middle vascular tunic contains the choroid, ciliary body that suspends the lens, and iris. B. The inner nervous tunic contains the retina. D. Muscular tunic is not a layer of the eyeball.
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