ABSTRACT
PURPOSE: To report a case of intracorneal hydrogel lens implantation for hyperopia after repeat LASIK surgery. METHODS: A 34-year-old man underwent intracorneal lens implantation following two LASIK procedures for correction of hyperopia. RESULTS: The decentered intracorneal lens was removed due to ocular pain and inflammation, epithelial ingrowth under the corneal flap, and high order aberrations. Pain and inflammation resolved, and corneal stability was regained > 6 months after removal of the lens. CONCLUSIONS: Intracorneal lenses may require explantation if previous laser ablative procedures fail to correct refractive errors.
Subject(s)
Cornea/surgery , Device Removal/methods , Hydrogels , Hyperopia/surgery , Keratomileusis, Laser In Situ/adverse effects , Postoperative Complications/surgery , Prosthesis Implantation/adverse effects , Adult , Cornea/pathology , Follow-Up Studies , Humans , Male , Prosthesis Failure , Reoperation , Visual AcuityABSTRACT
PURPOSE: To evaluate safety, predictability, efficacy, and stability of laser in situ keratomileusis (LASIK) for spherical hyperopia and hyperopia with astigmatism. METHODS: In this retrospective study we analyzed the results of 23 eyes of 23 patients who had LASIK for spherical hyperopia (preoperative cylinder < or = 0.75 D) and 44 eyes of 44 patients who had LASIK for hyperopia with astigmatism; (Bausch & Lomb Hansatome microkeratome with a 180-microm plate and a suction ring for a 9.5-mm flap diameter; Asclepion-Meditec MEL 70 G-scan flying spot laser with a 1.8-mm Gaussian beam). RESULTS: In Group 1 (spherical hyperopia), mean preoperative spherical equivalent refraction was +4.88 +/- 2.13 D (range +2.13 to +9.63 D); in Group 2 (hyperopic astigmatism), +4.33 +/- 2.15 D (range +0.50 to +9.50 D). One year after LASIK, mean spherical equivalent refraction was +0.30 +/- 0.90 D (range -0.75 to +2.50 D) in Group 1 and +0.29 +/- 1.27 D (range -3.25 to +3.25 D) in Group 2. In Group 1, 78%, and in Group 2, 42% were within +/- 0.50 D. In Group 1, no eyes lost two or more lines, and one eye (6%) lost one line of best spectacle-corrected visual acuity at 1 year. In Group 2, one eye (4%) lost one line and one eye (4%) lost more than two lines at 1 year. Uncorrected visual acuity of 20/40 or better was achieved in 83% (Group 1) vs. 62% (Group 2) at 1 year; these values improved to 100% vs. 71% for corrections up to +6.00 D. CONCLUSIONS: LASIK with the Meditec MEL 70 G-Scan flying spot laser seemed to be safe and effective for hyperopia and hyperopia with astigmatism for corrections up to +6.00 D. Large flap diameters are necessary to avoid epithelial ingrowth.