After transposing the following glasses prescription, what is the next step in determining the contact lens prescription?OD +3.50 +2.50 x 075

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The CLRE (Contact Lens Registry Exam) certifies you can dispense contact lens as an optician.


After transposing the following glasses prescription, what is the next step in determining the contact lens prescription?<br />OD +3.50 +2.50 x 075