Contrast Sensitivity after Zyoptix Tissue Saving LASIK and Standard LASIK for Myopia with 6-Month Followup
Open Access
- 1 January 2011
- journal article
- research article
- Published by Hindawi Limited in Journal of Ophthalmology
- Vol. 2011, 1-6
- https://doi.org/10.1155/2011/839371
Abstract
This control-matched comparative study evaluated changes in contrast sensitivity after Zyoptix tissue-saving (TS) LASIK and Planoscan standard LASIK (Technolas 217z, Bausch & Lomb) for myopia 6 months postoperatively. 102 TS LASIK-treated eyes were matched with 102 standard LASIK-treated eyes (divided into low, moderate, and high groups). There were no significant differences in refraction outcomes between the groups postoperatively. In high group, a significant reduction in contrast sensitivity after TS LASIK was found at high spatial frequencies () under photopic conditions and at middle to high spatial frequencies () under mesopic conditions. And significant reduction was also found in standard LASIK at high spatial frequency () under mesopic conditions. The reduction was significantly lower in TS LASIK than that in standard LASIK at high spatial frequencies () under mesopic conditions. TS LASIK was prone to reduce mesopic contrast sensitivity of high myopia at high spatial frequencies.
Funding Information
- Shanghai Leading Academic Discipline Project (S30205)
This publication has 22 references indexed in Scilit:
- Refractive Surgery Trends and Practice Style Changes in Germany Over a 3-year PeriodJournal of Refractive Surgery, 2010
- Results of a 1-Year Comparative Study of Zyoptix Tissue-Sparing and Conventional Planoscan LASIK TreatmentsOphthalmologica, 2009
- Avoidance, Recognition, and Management of LASIK ComplicationsAmerican Journal of Ophthalmology, 2006
- Making sense out of wavefront sensingAmerican Journal of Ophthalmology, 2005
- Functional optical zone after myopic LASIK as a function of ablation diameterJournal of Cataract & Refractive Surgery, 2005
- Ocular Higher-Order Aberrations and Contrast Sensitivity after Conventional Laser In Situ KeratomileusisInvestigative Ophthalmology & Visual Science, 2004
- Wavefront analysis in post-LASIK eyes and its correlation with visual symptoms, refraction, and topographyOphthalmology, 2004
- Contrast sensitivity after laser in situ keratomileusisJournal of Cataract & Refractive Surgery, 2002
- Laser in situ keratomileusis for myopia and astigmatism: safety and efficacy: A report by the American Academy of OphthalmologyOphthalmology, 2002
- Role of clearance and treatment zonesin contrast sensitivity: Significance in refractive surgeryJournal of Cataract & Refractive Surgery, 1999