Title: Intrastromal Corneal Ring Segment Implantation (KeraRing355º) in Patients with central Keratoconus: 6 months follow-up
Khosrow Jadidi 1MD, Seyed Aliasghar Mosavi 1MD, Farhad Nejat 1MD ,Mostafa Naderi 1MD , Leila Janani2 Ph.D., Sara Serahati 3 MS
1
Department of Ophthalmology, Bina Eye Hospital Research Center, Tehran, Iran
2
Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of
Medical Sciences (TUMS), Tehran, Iran. 3
Department of Biostatistics, University of social welfare and rehabilitation sciences, Tehran, Iran.
Corresponding Author: Khosrow Jadidi, MD, Associate Professor of Ophthalmology, Department of Ophthalmology, Bina Eye Hospital Research Center, Tehran, Iran Tel:+98 21 88785273 Email:
[email protected] Running Title: ICR (KeraRing355º) in Keratoconic corneas
Financial Disclosure: No author has a financial or proprietary interest in any material or method mentioned. The article has not been presented at a meeting.
1
Abstract We evaluate the efficacy and safety of Keraring 355 ˚ intrastromal corneal ring segment(ICRS) implantation aided by PocketMaker microkeratome for the correction of keratoconus. Patients underwent ICRS insertion using mechanical dissection with PocketMaker microkeratome and completed 6 months of follow-up. Uncorrected visual acuity (UCVA), best spectacle-corrected visual acuity (BSCVA), refraction, topographic findings, safety, efficacy index and adverse events were reported for six months postoperatively. We evaluated 15 eyes of 15 patients (12 men) with a mean age of 28.87±6.94 years (range 21 –49 years).
At final postoperative
examination, there was a statistically significant reduction in the spherical equivalent refractive error compared to preoperative measurements (-5.46±1.52 to -2.01±1.63 D, p
