Authors: V. Lorencová; P. Rozsíval; A. Feuermannová; I. Havlíková; J. Urminský Authors‘ workplace: Oční klinika Fakultní nemocnice, Hradec Králové, přednosta prof. MUDr. P. Rozsíval, CSc. Published in: Čes. a slov. Oftal., , 2003, No. 3, p. 201-205 Category:
Objective: To present clinical results of patients with myopia up to -6 dioptres (D)after photorefractive keratectomy (PRK) and evaluate their stability duringa 4-year period.Material and methods: The authors evaluated retrospectively the refractionbefore and after surgery in patients with myopia up to -6Dduring the period fromSeptember 1997 till December 2000.The group comprised a total of 847 eyes. Themean spherical refraction during the whole follow up period was before surgery-3.61 ± 1.17 D, the mean astigmatism was -0.65 ± 0.63D, non-corrected visual acuity(UCVA) 0.09 ± 0.09, the visual acuity with optimal correction (BCVA) 1.21 ± 0.30.Results:One year afterPRKweachieved in our group amean spherical refractionof -0.17 ± 0.74 D, a mean astigmatism of -0.61 ± 0.43 D, UCVA 0.92 ± 0.25, BCVA 1.02± 0.19.Conclusion: Photorefractive keratectomy is an effective and safe method forcorrection ofmyopia up to -6D. The results as regards refraction were comparablewith other departments and did not differ much during individual years. Stabilizationoccurs 3-6 months after the operation.
Key words: photorefractive keratectomy, PRK, stability, myopia
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