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What Happens 20 to 30 years After Radial Keratotomy? Case Series
Yuri Iwamoto1, Shizuka Koh, Ryota Inoue
1Department of Ophthalmology (Y.I., S.K., N.M., K.N.), Osaka University Graduate School of Medicine, Osaka, Japan; Yodogawa Christian Hospital (Y.I.), Osaka, Japan; Department of Innovative Visual Science (S.K., R.I.), Osaka University Graduate School of Medicine, Osaka, Japan; SEED CO. (R.I.), LTD., Tokyo, Japan; and Department of Ophthalmology (M.M.), New York University Langone Medical Center, New York, NY.
Abstract:
Radial keratotomy (RK) was commonly performed in the 1980s and 1990s. We aimed to clarify the current status of post-RK refractive correction and treatment. We retrospectively reviewed the charts of 70 patients with a history of RK. Of the 70 patients, 44 were identified for clinical outcomes. Refractive or therapeutic intervention (rigid gas-permeable contact lens fit, spectacle prescription, corneal surgery, and use of pilocarpine hydrochloride for photophobia) was possible in 59% of patients with postoperative visual deterioration after RK; in the remaining 41%, therapeutic intervention was not possible. Rigid gas-permeable contact lens fit for corneal irregular astigmatism was the most common refractive intervention and was effective in 36% of cases in the university hospital.
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