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One-year results of excimer laser in situ keratomileusis for hyperopia.

AbstractPURPOSE:
To evaluate the visual and refractive results of hyperopic LASIK.
SETTING:
Clínica Baviera Instituto Oftalmológico Europeo, Madrid, Spain.
METHODS:
This retrospective consecutive noncomparative observational study evaluated hyperopic LASIK results over 1 year. Outcomes included uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), cycloplegic refraction, and corneal topography. Surgery was performed using an MEL 80-G excimer laser. Results were analyzed by preoperative spherical equivalent (SE) (Group 1: <or=+3.50 diopters [D]; Group 2: >or=+3.60 D).
RESULTS:
The mean UDVA improved from 0.50 +/- 0.3 (SD) to 0.90 +/- 0.2 in Group 1 and from 0.50 +/- 0.3 to 0.80 +/- 0.2 in Group 2 and the mean CDVA, from 0.86 +/- 0.2 to 0.93 +/- 0.1 and from 0.80 +/- 0.2 to 0.90 +/- 0.2, respectively. The mean cycloplegic SE improved from +2. 5+/- 0.8 to +0.1 +/- 0.5 in Group 1 and from +4.5 +/- 0.6 to +0.4 +/- 0.6 in Group 2; 70.9% of eyes and 63.3% of eyes, respectively, were within +/-0.50 D of emmetropia. Postoperatively, 92.8% of eyes in Group 1 and 87.8% in Group 2 maintained or gained 1 or more lines of CDVA; 1.7% and 4.0%, respectively, lost 2 or more lines. The safety index was 1.1 in both groups and the efficacy index, 1.01 in Group 1 and 0.98 in Group 2. The enhancement rate was 20.0% and 18.4%, respectively.
CONCLUSION:
Excimer laser LASIK was safe and effective for treating hyperopia up to +6.25 D with no further loss of CDVA lines after enhancement.
AuthorsFernando Llovet, Ahmed Galal, Jose-Manuel Benitez-del-Castillo, Julio Ortega, Clara Martin, Julio Baviera
JournalJournal of cataract and refractive surgery (J Cataract Refract Surg) Vol. 35 Issue 7 Pg. 1156-65 (Jul 2009) ISSN: 1873-4502 [Electronic] United States
PMID19545802 (Publication Type: Journal Article)
Topics
  • Adult
  • Corneal Topography
  • Female
  • Follow-Up Studies
  • Humans
  • Hyperopia (physiopathology, surgery)
  • Keratomileusis, Laser In Situ (methods)
  • Lasers, Excimer (therapeutic use)
  • Male
  • Middle Aged
  • Postoperative Complications
  • Refraction, Ocular (physiology)
  • Retrospective Studies
  • Treatment Outcome
  • Visual Acuity (physiology)

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