Cornea MCQs

1. The tissue below is taken from a patient who had had a corneal graft. The following are 
    true about this condition:

a. the tissue has been stained with PAS
b. the picture above shows multiple abnormal endothelial cells
c. the patient is more likely to be a female than male
d. vision is typically worse towards the end of the day
e. the condition is painless

2. True statements about ferritin lines include:

a. ferritin line around keratoconus (A) is called the Fleischer's ring
b. ferritin line at the edge of a trabeculectomy bleb (B) is called the Stocker's line
c. ferritin line seen in the elderly cornea (C) is called the Henle's line
d. ferritin line at the edge of pterygium (D) is called the Ferry's line
e. ferritin lines result from iron deposition from the tear

3. True statements about this corneal condition include:

Slit-lamp appearance

a. it is an autosomal dominant condition
b. the corneal appearance usually appears in the third decade of  life
c. ferritin lines are commonly seen on the epithelium
d. the corneal abnormality involves the Bowman's membrane
e. irregular astigmatism is a common cause of poor vision

4. Anterior segment signs associated with the appearance of these hands include:






5. This is the corneal appearance of a patient with poor vision. The eye is white.

a. the patient is more likely to be a male than female
b. the poor vision is due to corneal astigmatism
c. lipid deposit in the cornea is a common feature 
d. fluorescence staining shows epithelial defect in the periphery
e. descemetocele does not develop

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