Abstract
Purpose: :
The study was conducted retrospectively to compare visual outcomes in patients who received laser enhancement (PRK or LASiK) post phacoemulsification with presbyopic IOL implants.
Methods: :
Eyes that received a presbyopic IOL unilaterally or bilaterally followed by laser enhancement (PRK or LASiK) were included in this study. All enhancements between April 2006 and November 2011 were included for analysis. Outcome measures included UCVA and diopters of astigmatism pre and post-enhancement.
Results: :
110 eyes with presbyopic IOLs (47.3% Restor, 29.1% Crystalens, 20.9% Tecnis Multifocal, 2.7% Rezoom,) that underwent laser vision correction enhancements were evaluated; 99 of these eyes received PRK, 11 received LASIK. Average age for PRK and LASIK groups was 66 and 62 years, respectively. 54.6 % of PRK patients and 45.5% of LASiK patients were male. 49/99 (49.5%) eyes that underwent PRK had ≥1D of astigmatism preoperatively, compared to 17/99 (17.1%) eyes post-laser vision correction. 10/11 (90.9%) eyes that underwent LASIK had ≥1D of astigmatism preoperatively, compared to 1/11 (9.1%) eyes post-laser vision correction 18.2% of PRK eyes and 27.3% of LASIK eyes had UCDVA of 20/30 or better pre-enhancement. 78.8% of PRK eyes and 81.8% of LASIK eyes had UCDVA of 20/30 or better post-enhancement. 94% of PRK and 82% of LASIK eyes had improvement of ≥1 lines UCVA.
Conclusions: :
This preliminary comparison of PRK and LASiK for improving vision in patients who are post presbyopic IOL implantation suggests that both techniques can effectively improve visual acuity.
Keywords: refractive surgery: PRK • refractive surgery: LASIK • presbyopia