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New 355º intrastromal corneal ring segment (ICRS) and simultaneous intrastromal cross-linking for the correction of nipple type keratoconus

Poster Details

First Author: F.Sanchez Leon MEXICO

Co Author(s):    S. Sanoja Sarabia              

Abstract Details


To evaluate the efficacy, safety, and predictability of New 355º intrastromal corneal ring segment (ICRS) and simultaneus intrastromal cross-linking for correction of nipple type keratoconus.


Instituto Novavision, Mexico City


This study comprised patients with nipple type keratoconus who had 355º ICRS implantation and simultaneus intrastromal cross-linking followed for 6 months. The uncorrected (UDVA) and corrected (CDVA) distance visual acuities, residual refractive errors, and complications were analyzed.


The study enrolled 7 eyes (4 patients). Mean age was 28.96 years (19 to 39), The mean UDVA (decimal) was 0.17 Snellen preoperatively, 0.5 Snellen 6 months after ICRS implantation and intrastromal cross-linking. The mean preop CDVA was 0.47 Snellen, improved to 0.65 Snellen, 6 months after the procedure. 100% of eyes were within 1.00 diopter (D) of the desired refraction. The mean preop SE -7.05 D (-4.00 D to -8.25 D), mean postop SE -0.59 D (-0.75 D to +1.00 D)


The New 355º intrastromal corneal ring segment (ICRS) provided reasonable visual acuty and refractive outcomes, indicationg that it is an alternative procedure for the correction of nipple type keratoconus. FINANCIAL INTEREST: One of more of the authors... travel has been funded, fully or partially, by a company producing, developing or supplying the product or procedure presented

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