Abstract
Purpose
To evaluate the outcomes of Lasik with aspheric ablation profiles and a micro-monovision protocol for correction of presbyopia in pseudophakic patients.
Patients and methods
This study included 50 pseudophakic eyes of 25 patients. Full ophthalmic examination, dominant eye tests and tests for tolerance of anisometropia (1 or 2 diopters) were done preoperatively. All cases were treated by Lasik with laser-blended vision technique. The dominant eye corrected to plano, and the nondominant eye corrected with near add in the range from 1.50 to 2.00 diopters. Excimer laser ablation was done using the MEL90 with a 250-Hz pulse rate (Carl Zeiss Meditec, Jena, Germany, Triple-A profile, Lasik mode). The follow-up period was 6 months with visits at 1, 3 and 6 months postoperatively.
Results
The mean postoperative uncorrected distant visual acuity at 1 month (0.74 ± 0.11) was significantly lower than the preoperative level (0.84 ± 0.14) (p < 0.001). But it improved at the 3rd (0.80 ± 0.09) and 6th months (0.82 ± 0.10) with no significant difference with the preoperative level (p = 0.344). The mean uncorrected near visual acuity was significantly higher at the 1st (2.94 ± 1.63 J), 3rd (2.95 ± 1.82 J) and 6th (2.92 ± 1.83 J) postoperative months than the preoperative level (2.26 ± 1.48 J) (p < 0.001). Insignificant change in stereopsis was found after surgery (p = 0.849). The micro-monovision was well tolerated (95.8%).
Conclusion
Lasik with aspheric ablation profiles and a micro-monovision protocol is an effective option for presbyopia correction in pseudophakic patients.
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All procedures in this study were approved by the Benha University Research Ethics Committee and with the 1964 Declaration of Helsinki and its later revisions or equivalent ethical standards.
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Elmohamady, M.N., Abdelghaffar, W., Bayoumy, A.S.M. et al. Correction of pseudophakic presbyopia using Lasik with aspheric ablation profiles and a micro-monovision protocol. Int Ophthalmol 41, 79–86 (2021). https://doi.org/10.1007/s10792-020-01554-7
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DOI: https://doi.org/10.1007/s10792-020-01554-7