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Six month review of contrast sensitivity, high-order aberrations, spherical aberrations and complications after small incision lenticule extraction (ReLEx SMILE)

Poster Details

First Author: C.Ganapathi INDIA

Co Author(s):    K. Kudlu   S. Shetty   V. Jain              

Abstract Details


To report six months results of refractive lenticule extraction through a small incision (ReLEx SMILE) for correction of myopia and myopic astigmatism.


Prasad netralaya Private super speciality tertiary eye hospital


Sixty eyes of 30 patients with spherical equivalent of -3.15�â�€�‰�Â�±�â�€�‰1.47 D who underwent routine ReLEx SMILE by a single surgeon were Prospectively followed-up for six months. We used the VisuMax femtosecond laser system (Carl Zeiss Meditec AG, Germany) with a 500 kHz repetition rate. Follow-up intervals were at 1 day, 1 week, 1, 3, 6 months after surgery. Following parameters were taken: incision size (4 mm), uncorrected (UDVA) and distance-corrected visual acuity (CDVA), contrast sensitivity, and wave front measurements were noted. We also recorded all complications noted during surgery.


Suction loss, flap tear, lenticule tear and incomplete dissection in 4eyes, 6months results were obtained in 56 eyes. After 6 months, 83% of eyes had an UDVA of 20/20 or better. 12% eyes lost 1 line of CDVA, while 26% gained 1line and 2% gained 2lines. The mean SE after 6 months was -0.31�â�€�‰�Â�±�â�€�‰0.17. The mean refraction change between month 1 and 6months was 0.11 D.Contrast sensitivity did'nt show significant changes. The HOA increased from 0.16 to 0.32 �Î�¼m(WASCA) and the mean spherical aberrations changed from 0.311 to 0.439 at 6mm pupil(VISANTE) .Residual error remained in 1 patient.


ReLEx SMILE produced exceptional refractive outcomes with moderate induction of HOA and unaffected contrast sensitivity after 6 months.

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