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مقاله Abstract

Title: Comparative analysis of the visual performance after implantation of the toric implantable collamer lens in stable keratoconus: a six -year follow-up after sequential procedure (CXL+TICL implantation
Author(s): Farideh Doroodgar, Azad Sanginabadi, Alireza Baradaran-Rafii, Mohammad Ghoreishi, Feazollah Niazi, Sana Niazi, Cyrus Alinia, Eznollah Azargashb
Presentation Type: Poster
Subject: Cornea & lens
Presenting Author:
Name: Farideh Doroodgar
Affiliation :(optional) Negah eye hospital
E mail:
Phone: 09125259912
Mobile: 09125259912

To report on 5-year postoperative visual performance with the toric implantable collamer lens (TICL) for stable keratoconus after sequential procedure (corneal collagen crosslinking plus TICL implantation)


Forty eyes of 24 patients with stable keratoconus with myopia between 0.00 and −18.00 dioptres (D) and astigmatism between 1.25 and 8.00 D were evaluated in this prospective interventional study ( We evaluated refraction, visual outcomes, astigmatic changes analysed by Alpins vector, contrast sensitivity, aberrometry, modulation transfer functions (MTFs), defocus curve, and operative and postoperative complications


At 5-year follow-up, 45% had 20/20 vision or better and 100% had 20/40 or better uncorrected visual acuity (UCVA). Vector analysis of refractive astigmatism shows that the surgically induced astigmatism (SIA) (3.20±1.46 D) was not significantly different from the target induced astigmatism (TIA) (3.14±1.42 D) (p=0.620). At five years postoperatively, none of the eyes showed a decrease in UCVA, in contrast to 24 eyes in which UCVA was increased by ?1 lines, with contrast sensitivity and improvement in total aberrations and MTF value at 5 per degree (*p=0.004) after TICL implantation. The cumulative 4-year corneal endothelial cell loss was ?5%. No patients reported dissatisfaction. At the end of follow-up, the vault was 658±54.33m (range, 500–711) and the intraocular pressure was 11.7±2.08 mm Hg. Occurrences of glare and night-driving troubles diminished after TICL surgery


The results from this standardised clinical investigation support TICL implantation from clinical and optical viewpoints in patients with stable Identifier: NCT02833649

Attachment: 27Poster- Comparative analysis of the visual.pdf

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