Seven-year Follow-up of LASIK for Myopia

Journal of Refractive Surgery - Tập 25 Số 3 - Trang 312-318 - 2009
Waldir Neira Zalentein1, Timo Tervo, Juha M. Holopainen
1Department of Ophthalmology, University of Helsinki, Finland

Tóm tắt

Purpose: To assess the long-term refractive results, subjective parameters, and late sequelae of LASIK. Methods: A retrospective follow-up study was conducted on 38 eyes of 21 patients (17 with bilateral treatment and 4 with unilateral treatment) who had LASIK surgery between 1999 and 2000. Laser ablations were done with an excimer laser (VISX STAR and STAR S2). Follow-up was 2 months, 2 years, and >7 years postoperatively. Uncorrected visual acuity (UCVA), best spectacle-corrected visual acuity (BSCVA), manifest refraction, indirect ophthalmoscopy, and wavefront analysis were measured at the last follow-up and a questionnaire was answered. Results: Postoperatively, BSCVA ⩽0.0 (logMAR) was obtained in 91%, 100%, and 89% of eyes at 2 months, 2 years, and at last follow-up, respectively. Postoperative spherical equivalent refraction within ±0.50 diopters (D) was obtained in 75%, 63%, and 42% of eyes at 2 months, 2 years, and 7 to 8 years, respectively. At 2 months and 2 years, 83% of eyes were within ±1.00 D, which decreased to 42% at 7 to 8 years. Mean spherical equivalent refraction at 2 months was −0.41 D, at 2 years −0.57 D, and at 7 to 8 years continued to decrease to −1.38 D. Patient satisfaction was high—100% of patients would have LASIK again. Conclusions: LASIK outcomes tend to shift toward undercorrection over time. Postoperative ectasia was not noted 7 to 8 years after LASIK. All patients were satisfied with the postoperative results although emmetropia was not reached. [ J Refract Surg . 2009;25:312–318.]

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Tài liệu tham khảo

10.3928/1081-597X-20061101-06

10.1016/j.ophtha.2004.05.019

10.1136/bjo.2005.075127

10.1016/S0886-3350(03)00062-2

10.1016/j.jcrs.2006.11.002

10.1016/j.jcrs.2006.12.015

10.1016/j.jcrs.2004.08.047

NICE.IPG 164 Photorefractive (laser) surgery for the correction of refractive error. Available at http://www.nice.org.uk/IPG164. Accessed February 2007.

10.3928/1081-597X-20061101-01

10.1016/S0161-6420(99)00148-7

10.1016/S0161-6420(98)94012-X

10.1016/j.jcrs.2003.12.058

10.3928/1081-597X-19991101-09

10.1016/S0886-3350(98)80197-1

10.1016/S0886-3350(01)00890-2

US Food and Drug Administration. FDA-approved Lasers for LASIK. Available at http://www.fda.gov/cdrh/LASIK/Lasers.htm. Accessed August 2007.

10.1016/S0161-6420(02)01727-X

10.1097/01.ico.0000222479.68242.77

10.1016/S0161-6420(98)97020-8

10.1016/S0886-3350(00)00319-9

10.3928/1081-597X-19990302-09

10.1016/j.ajo.2006.09.036

10.1167/iovs.06-1044

10.1167/iovs.06-0562

McBrien NA, Adams DW. A longitudinal investigation of adult-onset and adult-progression of myopia in an occupational group. Refractive and biometric findings. Invest Ophthalmol Vis Sci. 1997;38:321–333.

10.1034/j.1600-0420.1999.770311.x

10.1111/j.1475-1313.2007.00475.x

10.1016/j.ajo.2007.09.007

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Journal of Refractive Surgery

Tập 25 Số 3

312-318

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