Holmium:YAG laser thermokeratoplasty for astigmatism in rabbits

Key Hwan Lim, Woo Jung Kim, Won Ryang Wee, Dong Eul Shin, Jin Hak Lee, Bong Leen Chang

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


BACKGROUND: Holmium:YAG laser thermokeratoplasty has generated considerable interest as a technique for correcting hyperopia. In this study, the effect of holmium:YAG laser on inducing astigmatism according to application patterns was evaluated. METHODS: An experimental study based on the results of astigmatic holmium:YAG laser thermokeratoplasty using the Summit OmniMed laser system (Summit Technology Inc, Waltham, Mass) in 36 rabbit eyes is presented. We divided the rabbits into four groups: arcuate, reverse arcuate, linear, and control group according to application patterns. All rabbits were followed for 3 months and cycloplegic refractive measurements were carried out. RESULTS: The average surgically induced astigmatism was 1.86 diopters (D) for the arcuate group, 2.93 D for the reverse arcuate group, and 1.31 D for the linear group. No significant complications related to the operation were noted. CONCLUSION: The reverse arcuate pattern of holmium:YAG laser thermokeratoplasty is most effective in inducing astigmatism in rabbits.

Original languageEnglish
Pages (from-to)190-193
Number of pages4
JournalJournal of Refractive Surgery
Issue number1
StatePublished - Jan 1996


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