SMILE treats residual refractive error after cataract surgery
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SMILE proved effective in correcting residual myopia and myopic astigmatism in pseudophakic eyes, leading to significant visual acuity gain.
In a poster presented at the American Academy of Ophthalmology meeting, Anita Syla Lokaj, MD, PhD, and co-authors showed the results of a retrospective study of patients from Kosovo and other countries.
“Aim of this study is to improve visual acuity in pseudophakic patients who have residual myopic refraction after 3 months of surgery,” using the SMILE module from the VisuMax femtosecond laser (Carl Zeiss Meditec), they wrote.
A total of 280 eyes of 150 patients implanted with monofocal, trifocal and multifocal IOLs were included. Residual refraction was between –0.75 D and –5 D, with up to –2 D of cylinder.
SMILE was performed with a cap diameter of 7.5 mm and an optical zone of 6.5 mm, and the lenticule was extracted through a superior 3.5-mm incision.
SMILE surgery was effective in eliminating the residual refractive error, leading to significant improvement of distance vision in all patients. Uncorrected distance visual acuity improved from 20/160 preop to 20/30 at 1 month in monofocal-implanted patients, from 20/100 to 20/30 in multifocal-implanted patients and from 20/50 to 20/25 in trifocal-implanted patients. These values remained substantially stable at 24 months.
“Overall, ReLEx SMILE surgery ... proved to be effective with no complications and good visual outcomes. We can consider this type of enhancement in patients that are still symptomatic or uncomfortable with the achieved visual results after primary IOL implantation surgery,” the authors wrote.
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Lokaj AS, et al. Effective SMILE treatment of residual refractive errors at pseudophakic patients. Presented at: American Academy of Ophthalmology meeting; Nov. 12-15, 2021; New Orleans.
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