To the Editor: We read with interest the article by Cakir and Utine1 regarding the results of combined intracorneal ring (KeraRing; Mediphacos Ltd, Belo Horizonte, Brazil) and anterior chamber, iris-fi xated, phakic intraocular lens (IOL) (Artisan/Artifl ex; Ophtec BV, Groningen, The Netherlands) implantation in patients with keratectasia, which appeared in the February 2011 issue of the Journa...

PURPOSE To evaluate the refractive and aberrometric changes in corneas with post-LASIK keratectasia implanted with intracorneal ring segments (ICRS) during a 2-year follow-up. DESIGN Retrospective, consecutive case series. PARTICIPANTS Thirty-four eyes of 25 patients (age range, 20-59 years) with post-LASIK ectasia were included. Ectasia was diagnosed by slit-lamp appearance of corneal thin...

Intracorneal ring segments (ICRS) have been used in patients with keratoconus for slowing keratoconic progression and delaying keratoplasty.1,2 However, we experienced anterior optical coherence tomography (OCT) image distortion of the iris in patients with ICRS insertion by chance. Some femtosecond laser cataract surgery systems use OCT images of the cornea, anterior lens capsule, and nucleus ...

PURPOSE To evaluate refractive, visual, and aberrometric changes in corneas with pellucid marginal degeneration (PMD) implanted with intracorneal ring segments (ICRS) during a 6-month follow-up. DESIGN Retrospective, consecutive case series. PARTICIPANTS We included 21 consecutive eyes of 15 patients ranging in age from 21 to 73 years old and with a diagnosis of PMD. This diagnosis was made...

Intracorneal ring segments (ICRS) are small synthetic implements designed to achieve refractive adjustment by flattening the cornea. Three common types of commercially available ICRS are Intacs, Keraring and Ferrara rings. Low myopia was the initial indication for implantation of ICRS, and indications later included ectatic corneal diseases (such as keratoconus and pellucid marginal degeneratio...