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Neal A. Sher, MD; Varda Chen, MD; Richard L. Lindstrom, MD
Minneapolis, Minn

Arch Ophthalmol. 1992;110(8):1041-1042.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

In Reply.

—We appreciate Dr Adamson's interest in our report on excimer PRK in myopia. We concur that more sophisticated and extensive methods of contrast sensitivity testing would be desirable in evaluating visual function after refractive surgery. Such studies are now under way in our phase III patients.

Patients included in this preliminary group were myopic and were capable of wearing a contact lens in the fellow eye for at least 6 months. All patients had normal results of ophthalmic examinations except one phase II patient who had undergone prior epikeratophakia (patient 3).

Contrast sensitivity testing was performed for all patients using standard conditions with day vision illumination. Each eye was tested separately, the right eye being tested first. The Multivision Contrast Tester 8000 was used. Spacial frequencies of 1.5, 3, 6, 12, and 18 cycles per degree were used for testing. Patients were required to respond and guess even . . . [Full Text PDF of this Article]

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