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Cornea and External Disease

UV Light-emitting Contact Lens Device for Corneal Collagen Crosslinking Stabilizes Corneas with Keratoconus

Posted on May 19, 2020

An ultraviolet (UV) light-emitting contact lens device for corneal collagen crosslinking stabilizes and flattens corneas with keratoconus, according to a poster presented at the American Society of Cataract and Refractive Surgery (ASCRS) Virtual Annual Meeting.

In this prospective, non-masked, non-randomized, clinical trial, 9 patients (9 eyes) with advanced keratoconus underwent CXL performed using a scleral contact lens reservoir containing BAK preserved riboflavin 0.25% for 30 minutes followed by an exchange to the UV light-emitting contact lens device.

The following results were found:

  • Uncorrected visual acuity was improved in 83.3% of eyes
  • Best-corrected visual acuity was improved or remained stable in half of the eyes treated
  • K1 and K2 values were stable or improved in 66.7% of eyes
  • Kmax values remained stable or improved in 83.3% of eyes.

No complications related to the use of the device were observed.

Reference

Batlle JR, JF, et al. Trans-epithelial (Epithelium-On) corneal collagen crosslinking using a novel ultraviolet light-emitting contact lens device. Poster presented at: American Society of Cataract and Refractive Surgery (ASCRS) Virtual Annual Meeting. May 16, 2020.

 

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