Station eight
(allowed 5 minutes)
aa
During retinoscopy of a patient's right eye at a working distance of 2/3 metere, the following retinoscopic images are observed. 
 
 
Axis of the streak is 1200
Lens used is -1.00DS
Axis of the streak is 300
Lens used is +0.50DS

a. Draw the power cross taking into account the working distance.

b. What is the spectacle prescription assuming the patient has no 
    accommodation?

c. What would happen to the prescription if the patient were to accommodate 
    excessively during the retinoscopy?


 
Answer to question a
 


 


 

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