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Treatment of coma aberration using intracorneal rings in patients with keratoconus and significant coma

Poster Details

First Author: O.Muftuoglu TURKEY

Co Author(s):    E. Altinkurt   M. Ozsutcu   G. Gulkilik   S. Kocabora     

Abstract Details

Purpose:

To evaluate the results of intracorneal ring segment implantation for the treatment of coma aberration in eyes with keratoconus and significant coma.

Setting:

Istanbul Medipol University

Methods:

24 eyes of 14 patients with keratoconus and total corneal coma greater than 0.80 µm were included in this prospective study. All eyes underwent intracorneal ring segment with 220 degree arc implantation after creation of corneal tunnels using femtosecond laser. All eyes were evaluated before and 6-months after surgery using Placido-Scheimpflug combined topo/tomographer. Visual acuity, keratometry, anterior, posterior, and total corneal aberrations were analyzed.

Results:

The mean uncorrected distance visual acuity significantly increased from 0.38±0.19 to 0.88 ±0.10 (snellen) after surgery (p<0.05). The mean corrected distance visual acuity significantly increased from 0.74±0.13 to 0.95±0.05 (snellen) after surgery (p<0.05). The mean keratometry reading significantly decreased from 45.9±1.8 D to 42.9±1.7 D after surgery (p<0.05). The mean cornea total coma significantly decreased from 1.27 ± 0.48 μm to 0.69±0.37 (p<0.05). No complication was observed during follow-up.

Conclusions:

Intracorneal ring segment implantation using femtosecond laser for seems to be effective in eyes with keratoconus and significant coma.

Financial Disclosure:

NONE

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