Tear Layer Calculations Review

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7 Terms

1
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all

a GP that is not flexing will correct ____ of the patient’s corneal cyl

2
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residual astigmatism

leftover astigmatism you find on an OR, should be minimal if the SPRx cyl & corneal cyl are similars

3
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flexure

if there are unexpected amounts of residual astigmatism &/or it is along the SPRx axis, it is likely due to ________

4
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lenticular astigmatism

if the residual astigmatism is along the 90 axis, it is likely due to ________

5
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steep

the GP will bend along the ______ meridian

6
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decrease

lens flexure will _______ the amount of corneal astigmatism we are correcting

7
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(BC-K) + lens power + OR

SPRx=