Journal of the Korean Ophthalmological Society 1998;39(5):879-891.
Published online May 1, 1998.
Result of Schwind Excimer Photorefractive Keratectomy(One year follow up).
Sung Chur Moon, Jang Won Heo, Woo Chan Park, Sae Heun Rho
Department of Ophthalmology, College of Medicine, Dong-A University, Pusan, Korea.
Schwind 엑시머레이저 근시교정수술 결과(일년 추적관찰)
문성철(Sung Chur Moon),허장원(Jang Won Heo),박우찬(Woo Chan Park),노세현(Sae Heun Rho)
Abstract
We evaluated the safety, stability, predictability and efficacy of photorefractive keratectomy (PRK) with Schwind excimer laser for one year. We performed one-step procedures on 114 eyes of 92 patients. They were divided into three groups according to their manifest refractive error (spherical equivalent): Group ! (<-5 D, 39 eyes) , Group I (-5. 01 to -8 D, 40 eyes) , or Group III (>-8.01 D, 35 eyes). One year after PRK, uncorrected visual acuity of 0.8 or better was achieved in 95% of eyes in group I, 97% of eyes in group I and 63% of eyes in group III. In the group I , 90% of eyes were within +/-1 D of attempted correction, as were 95% in group II and 63% in group III. Complications were corneal haze above grade 2(8.8%), temporarily increased intraocular pressure (18.4%), central island (14.9%), eccentric ablation more than 0. 5mm(34.2%) and halo (0.9%). We conclude that the Schwind excimer laser PRK appears to be 8 safe and relatively accurate procedure to correct low to moderate myopia, but long-term and more frequent follow-up is needed for high myopia.
Key Words: Photorefractive keratectomy;Schwind excimer laser


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