Ring tunnel keratoplasty in high and extreme myopia correction

Liubov D. Robman, Ю.А. Шустеров

1998

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DOI 10.1111/j.1442-9071.1998.tb01364.x
Data confidence 70 medium
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Abstract

BACKGROUND: A surgical method for correction of high and extreme myopia was developed. METHODS: The corneal optical zone is flattened by bringing strip-shaped corneal grafts into the interlamellar tunnel surrounding the corneal optical centre. Instruments and an operative technique were developed. RESULTS: In 72 operations on rabbits, dependency of the refractive effect on ring diameter and transplant thickness was revealed. In the clinic, the average refractve effect of 100 consecutive standard operations was 10.1 +/- 2.0 D. The maximal refractive effect was 14.5 D. Regression of the refractive effect was 12%. CONCLUSION: Ring tunnel keratoplasty was shown to be a reliable method of optical correction.