Station five
(allowed 5 minutes)
The following patients have 6/6 vision (with spectacle correction where needed) and have no cataract. The results of the refraction and keratometry are as shown below: 

Patient A: 

       Refraction:      OD   -2.50D       OS   plano
Average Keratometry:    OD   44.50D        OS   44.50D
Patient B:
        Refraction:    OD    -2.50D         OS   plano
Average Keratometry:     OS    44.50D         OS   42.00D

a. What types of myopia does i) patient A  and ii) patient B have?

b. Which patient is likely to get aniseikonia if the myopia were corrected 
     with glasses?




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