Modulation of Corneal Wound Healing After Excimer Laser Keratomileusis Using Topical Mitomycin C and Steroids

Jonathan H. Talamo, Subba Gollamudi, W. Richard Green, Zenaida Cruz, Vadim Filatov, Walter J. Stark

Research output: Contribution to journalArticlepeer-review

Abstract

A 193-nm excimer laser system was used to create deep stromal ablations in seven New Zealand white rabbits and shallow ablations in three. Eyes were randomized for treatment with topical mitomycin C, steroids, and erythromycin; topical steroids and erythromycin; or topical erythromycin only. All treatment regimens were instituted twice daily for 14 days. All eyes reepithelialized normally within 3 to 5 days. During 10 weeks of follow-up, all eyes developed moderate reticular subepithelial haze without significant differences among treatment groups. Results of light, fluorescence, and electron microscopic examination showed anterior stromal scarring and markedly reduced new subepithelial collagen formation in the group treated with mitomycin C, corticosteroids, and erythromycin. Focal abnormalities of Descemet's membrane and endothelial abnormalities were present in all treatment groups. Combination therapy with topical steroids, mitomycin C, and erythromycin to control the corneal wound healing response after refractive laser surgery appears promising and warrants further study.

Original languageEnglish (US)
Pages (from-to)1141-1146
Number of pages6
JournalArchives of ophthalmology
Volume109
Issue number8
DOIs
StatePublished - Aug 1991

ASJC Scopus subject areas

  • Ophthalmology

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