Journal of the Korean Ophthalmological Society 1997;38(4):567-573.
Published online April 1, 1997.
Result of Excimer Laser Photorefractive Keratectomy Correction of Myopia: One and Two-Years Follow-up.
Yoon Koo Ahn, Jung Chul Shin, Joon Kiu Choe
Department of Ophthalmology, College of Medicine, Hanyang University Hospital.
엑시머레이저 굴절이상 교정술을 이용한 근시의 치료결과 :1년 및 2년 추적관찰
안윤구(Yoon Koo Ahn),신정철(Jung Chul Shin),최준규(Joon Kiu Choe)
Abstract
To examine prospectively the efficacy and reliability of excimer laser photorefractive keratectomy for myopia. we treated 147 eyes of 86 patients with a VisX Twenty/Twenty excimer laser and followed them up for 1 year and follow up 48 eyes of 26 patients for 2 years. The patients were divided into two groups with preoperative myopia: group 1 with diopters between -1.50 and -6.00, group 2 with diopters between -6.01 and -10.00. At 1 year, the group 1 with a mean preoperative refractive error of -4.61D changed to -0.40D, the group 2 changed from -7.50D to -0.92D. At 2 years, the group 1 with a mean preoperative refractive error of -4.28D changed to -0.41D, the group 2 changed from -7.75D to -1.04D. At 1 yera, in group 1, 90.91% (70 of 77) of eyes and in group 2, 64.29%(45 of 70) of eyes were corrected within 1D of intended refraction,respectively. At 1 years, in group 1, 94.81% (73 of 77) of eyes and in group 2, 84.29%(59 of 70) of eyes achieved an uncorrected visual acuity of 0.5 or better. And at 2 years, in group 1, 81.82% (18 of 22)of eyes, and in group 2, 50.00% (13 of 26) of eyes were corrected within 1D of intended refraction, respectively. At 2 years, in group 1, 95.50% (21% of 22) of eyes and in group 2, 84.62%(22 of 26) of eyes achieved an uncorrected visual acuity of 0.5 or better.
Key Words: Excimer laser;Myopia;photorefractive Keratectomy


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