Difference between revisions of Diopters
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This is why the spherical equivalent has power equal to half of the cylinder's power. | This is why the spherical equivalent has power equal to half of the cylinder's power. | ||
==== Adding Lenses ==== | ==== Adding/Combining Lenses ==== | ||
Multiple lens, each with spherical and cylindrical components (not necessarily at the same axis) can be added to form one lens with a spherical and cylindrical component. | Multiple lens, each with spherical and cylindrical components (not necessarily at the same axis) can be added to form one lens with a spherical and cylindrical component. | ||