| Effect of photorefractive keratectomy and laser in situ keratomileusis in high myopia on logMAR visual acuity and contrast sensitivity. | |
| | |
MedLine Citation:
|
PMID: 12747534 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
PURPOSE: To compare effect of photorefractive keratectomy (PRK) and laser in situ keratomileusis (LASIK) on contrast sensitivity (CS) and best corrected visual acuity (BCVA) in high myopia. METHODS: 38 myopes (PRK) and 31 patients (LASIK) were examined before and 1, 3, 6, and 12 months postoperatively. Mean preoperative spherical equivalent was -8.0 +/- 1.7D (PRK) and -9.2 +/- 2.1D (LASIK). CS was tested on a computerized system of the Contrast Sensitivity 8010 Type at 6 spatial frequencies (0.74 and 29.55 c/deg), BCVA was measured on logMAR charts. RESULTS: At 12 months postoperatively, mean spherical equivalent was -0.6 +/- 1.0D (PRK) and -1.0 +/- 0.8D (LASIK). Postoperative values of CS were significantly higher in the PRK group, except for spatial frequencies of 3.69 and 7.39 c/deg up to 3 months postoperatively. The initial significant decrease of BCVA lasted up to 6 months after PRK. In the LASIK group BCVA was not significantly different from its preoperative level at the 3-months follow-up. CONCLUSIONS: The significant improvement of CS after PRK suggest that PRK can improve quality of vision in eyes with high myopia. Although recovery of BCVA after LASIK was faster than after PRK, there may be a persistent decrease in CS. |
| | |
Authors:
|
Hana Langrová; Matthias Derse; Dagmar Hejcmanová; Alena Feuermannová; Pavel Rozsíval; Markéta Hejcmanová |
Related Documents
:
|
15121364 - Anterior capsule relationship of the acrysof intraocular lens optic and posterior capsu... 19781464 - Functional reading acuity and performance: comparison of 2 accommodating intraocular le... 16678504 - Comparison of the intralase femtosecond laser and mechanical microkeratome for laser in... 21827014 - Treatment of oral infections prior to heart valve surgery does not improve long-term su... 21116214 - A multicenter study to evaluate the safety and efficacy of a stand-alone anterior carbo... 2777664 - Late cosmetic outcome after conservative surgery and radiotherapy: analysis of causes o... |
Publication Detail:
|
Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
|
Title: Acta medica (Hradec Králové) / Universitas Carolina, Facultas Medica Hradec Králové Volume: 46 ISSN: 1211-4286 ISO Abbreviation: Acta Medica (Hradec Kralove) Publication Date: 2003 |
Date Detail:
|
Created Date: 2003-05-15 Completed Date: 2003-06-11 Revised Date: 2008-11-21 |
Medline Journal Info:
|
Nlm Unique ID: 9705947 Medline TA: Acta Medica (Hradec Kralove) Country: Czech Republic |
Other Details:
|
Languages: eng Pagination: 15-8 Citation Subset: IM |
Affiliation:
|
University Hospital in Hradec Králové, Department of Ophthalmology, Czech Republic. langrovah@lfhk.cuni.cz |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Contrast Sensitivity Female Humans Keratomileusis, Laser In Situ* Lasers, Excimer Male Myopia / physiopathology, surgery* Photorefractive Keratectomy* Refraction, Ocular Visual Acuity |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Pancreatic-polypeptide in the human pancreas: expression and quantitative variation during developme...
Next Document: Can we predict maxillary sinus mucosa perforation?