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Cross cylinder to Spherocylinder - OptomInSight

$ 20.50

5 (795) In stock

Step 1: Choose either one cross cylinder out of two, as the sphere.Step 2: Subtract the cross-cylinder which was taken as the sphere from the other cylinder which was not taken as the sphere in step 1.Step 3: Axis of the sphero cylinder form is the same as the axis of the cross-cylinder which was not taken as the sphere.

Optical cross to sphero Cylinder #optometry #optician #ophthalmology

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