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Article
October 1989

Effectiveness of Radial Keratotomy-Reply

Author Affiliations

Nashville, Tenn
Gainesville, Fla

Arch Ophthalmol. 1989;107(10):1419. doi:10.1001/archopht.1989.01070020493005

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Abstract

In Reply.  —The number of eyes in our study with more than 1 D of hyperopia at 5 years is 41 (33% ), and with more than 2 D of myopia is 10 (8% ). For 7 of the myopic eyes, the average preoperative spherical equivalent was −9.9 D with an average 5-year spherical equivalent of −3.9 D, representing an average 6-D gain over 5 years.The other 3 myopic eyes averaged −8.3 D preoperatively and −6.6 at 5 years, a gain of only 1.7 D. Also, 9 of these 10 eyes had counting fingers visual acuity before surgery, and the average gain was to between 20/100 and 20/200 uncorrected visual acuity. Thus, 7 of the myopic eyes had a very effective result, even though they were still myopic, and surgery on 3 eyes resulted in minimal effectiveness.For the 41 hyperopic eyes, the average spherical equivalent at 5 years was 2.1

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