ComPrisms are a new class of ophthalmic prisms. They have been designed by PAI to reduce aberrations and improve the optical acuity and contrast sensitivity of ophthalmic prisms. As a result, the optical performance of ComPrisms for powers of 25PD and more is dramatically better than that of standard ophthalmic prisms or Press-on Fresnel prisms. Improvement in visual acuity of 2-4 Snellen lines have been reported depending on prism power1.
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Ref. 1 - M. Katz, Optometry 2004, 75, 503-8; M. Katz, Optometry 2004, 75, 509-16.
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