Station seven
(allowed 5 minutes)

This is the corneal topography of a patient pre-cataract surgery.

a. What does the picture show?

b. The patient's refraction can be corrected with -3.00DS to 6/6. 
    Give a reason why he does not require cylindrical correction.

c. A temporal clear corneal incision was performed because the 
    patient has deep set eye. What is the effect on:

           i. the cornea tissue
          ii. the cornea astigmatism




To station 8
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