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Abstracts of Selected Publications:

Ten Years Experience With a Conservative Approach to Radial Keratotomy
James J. Salz, MD, James M. Salz, Mark Salz, and Donna Jones

ABSTRACT: This retrospective study reports the results of radial keratotomy surgery on 225 eyes of 135 patients by one surgeon. Fifty-one percent of the eyes had four incisions and 45% had eight as the initial procedure. Fifteen percent of the eyes repeated surgery. The mean preoperative spherical equivalent refraction was -5.10 diopters (SD 1.90, range 1.20 to 11.60 D) and at 3 months to 1 year the mean was -0.60 D (SD 1.00, range -4.80 to +3.40 D). For the entire series, 69% of the eyes achieved an uncorrected visual acuity of 20/40 or better, 73% were corrected to within ± 1.00 D of emmetropia, and 3% were overcorrected by more than +1.00 D. For eyes with low preoperative myopia (-3.00 D and less), 100% achieved an uncorrected visual acuity of 20/40 or better, 97% were corrected to within ± 1.00 D of emmetropia, and 3% were overcorrected by more than +1.00 D. For eyes with moderate myopia (-3.1 to -5.9 D), 73% achieved an uncorrected visual acuity of 20/40 or better, 81% were corrected to within ±1.00 D of emmetropia, and 3% were overcorrected by more than +1.00 D. For eyes with higher preoperative myopia (-6.0 to -11.60 D), 47% achieved an uncorrected visual acuity of 20/40 or better, 45% were corrected to within ±1.00 D of emmetropia and 3% were overcorrected by more than +1.00 D. One hundred eyes with a follow-up of 2 years or greater were studied for stability; 77% changed by less than 1.00 D from the 1 year value; 17% changed by 1.00 D or more in the hyperopic direction; 6% changed by 1.00 D or more in the myopic direction. There were no vision threatening complications and only one eye had a postoperative best spectacle corrected visual acuity of less than 20/40.

Refractive & Corneal Surgery, Volume 7, January/February 1991