I'm trying to solve a problem for my board exam:
A patient needs a cylinder correction of -4 at 90. Instead, a -4 at 85 lens was given. Where is the residual cylinder axis now?
I would appreciate if you could also explain why. Thanks!
I'm trying to solve a problem for my board exam:
A patient needs a cylinder correction of -4 at 90. Instead, a -4 at 85 lens was given. Where is the residual cylinder axis now?
I would appreciate if you could also explain why. Thanks!
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