Obliquely Crossed Cylinders Calculator

Combines the Rx of two spherocylindrical lenses and returns the resultant combined lens Rx.
First Lens
Diopters
Diopters
Degrees
Second Lens
Diopters
Diopters
Degrees
Resultant Combined Lens
Diopters
Diopters
Degrees

An Obliquely Crossed Cylinders Calculator is a specialized optical tool used to combine two spherocylindrical lens prescriptions into a single, resultant prescription. In other words, if you have two lenses—each with its own sphere, cylinder power, and axis—and you want to know what single lens power and orientation would replicate the net effect of stacking or combining those two lenses, our Obliquely Crossed Cylinders Calculator does precisely that.

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