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Combined intracorneal ring segments

Poster Details

First Author: U.Celik TURKEY

Co Author(s):    V. Aykut   B. Celik   H. Cakir        

Abstract Details


To evaluate the refractive results of combined intracorneal ring (Keraring, Mediphacos Ltd), iris-fixated phakic intraocular lens (pIOL) (Artiflex, Ophtec BV) implantation and cross-linking treatment in keratoconus patients with myopic and astigmatic refractive error.


Refractive surgery department


Nineteen eyes of 19 consecutive patients with keratoconus disease underwent sequential intracorneal Keraring, iris-fixated pIOL implantation and crosslinking procedure. All eyes were implanted with the Artiflex pIOL. Uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), manifest refraction spherical equivalent (MRSE), topographic findings, and complications were recorded.


Mean UDVA improved from 1.93±0.12(LogMAR) pre-operatively to 0.39±0.11 after ring and pIOL implantation and crosslinking (P=0.0001). Mean CDVA improved from 0.71±0.36 preoperatively to 0.22±0.03 after the combined treatment.(P=0.0001). Mean MRSE reduced from -17.26±5.31 D preoperatively to -2.01±4.13 D after the combined treatment. (P=0.0001) There were no intra- or postoperative complications were observed.


Sequential intracorneal ring segments and pIOL implantation with crosslinking treatment resulted in visual and refractive improvements in patients with different corneal ectatic conditions with high myopic refractive errors.

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