Document Detail


Comparison between three- and six-month postoperative refractive and visual results after laser epithelial keratomileusis with mitomycin C.
MedLine Citation:
PMID:  18774546     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: To compare the residual refraction and visual results between the three- and six-month postoperative visits to detect the optimal moment for enhancement after myopic laser epithelial keratomileusis (LASEK) with mitomycin C (MMC). DESIGN: Nonrandomized, interventional, prospective study. METHODS: One hundred and forty-one consecutive eyes that underwent LASEK with MMC to correct their myopia using the Esiris excimer laser (Schwind Eye Tech Solutions, Kleinostheim, Germany), and that showed three months postoperatively a residual defect or a suboptimal uncorrected visual acuity (UCVA) or best spectacle-corrected visual acuity (BSCVA) were included in the study. We compared the residual spherical refraction and cylinder, the UCVA, and the BSCVA between the three- and six-month postoperative examinations. RESULTS: Preoperative spherical refraction was -5.2 +/- 2.90 diopters (D). Preoperative cylinder was -1.66 +/- 1.20 D. The residual sphere was +0.43 +/- 0.90 D three months and +0.21 +/- 0.90 D six months after surgery (P = .0001). The cylinder was -0.71 +/- 0.60 D and -0.67 +/- 0.60 D, respectively (P = .4). The UCVA was 0.75 +/- 0.2 and 0.81 +/- 0.2 (P = .0001) and the BSCVA was 0.94 +/- 0.1 and 1.01 +/- 0.1 (P = .0001), respectively. Those patients with a myopic defect (sphere or cylinder) three months postoperatively did not show any significant change in UCVA or refractive defect six months after surgery, while those with a hyperopic defect (sphere or cylinder) showed an improvement in UCVA and residual refraction six months postoperatively (P < .05). CONCLUSIONS: Our results suggest that retreatment after myopic LASEK with MMC may be performed three months after surgery when the residual refraction is myopic, but it seems wise to wait at least six months after surgery when the residual refraction is hyperopic.
Authors:
Laura de Benito-Llopis; Miguel A Teus; José L Hernández-Verdejo
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Publication Detail:
Type:  Comparative Study; Journal Article     Date:  2008-09-06
Journal Detail:
Title:  American journal of ophthalmology     Volume:  147     ISSN:  1879-1891     ISO Abbreviation:  Am. J. Ophthalmol.     Publication Date:  2009 Jan 
Date Detail:
Created Date:  2008-12-22     Completed Date:  2009-01-08     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370500     Medline TA:  Am J Ophthalmol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  71-76.e2     Citation Subset:  AIM; IM    
Affiliation:
Vissum Madrid, Madrid, Spain. lbenito@vissum.com
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MeSH Terms
Descriptor/Qualifier:
Adult
Alkylating Agents / administration & dosage*
Combined Modality Therapy
Female
Follow-Up Studies
Humans
Keratectomy, Subepithelial, Laser-Assisted / methods*
Lasers, Excimer / therapeutic use*
Male
Middle Aged
Mitomycin / administration & dosage*
Myopia / physiopathology,  therapy*
Postoperative Period
Prospective Studies
Refraction, Ocular / physiology*
Reoperation
Time Factors
Visual Acuity / physiology*
Chemical
Reg. No./Substance:
0/Alkylating Agents; 50-07-7/Mitomycin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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