| Changes in Corneal Curvature after Suture Removal in Penetrating Keratoplasty. |
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Eui Seok Han, Won Ryang Wee, Jin Hak Lee, Mee Kum Kim |
1Department of Ophthalmology, Seoul National University College of Medicine, Seoul, Korea. kmk9@snu.ac.kr
2Seoul Artificial Eye Center, Seoul National University Hospital Clinical Research Institute, Seoul, Korea.
3Department of Ophthalmology, Seoul National University Bundang Hospital, Seongnam, Korea. |
| 전층각막이식술 후 봉합사 제거에 따른 각막곡률의 변화 |
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한의석1,2,위원량1,2,이진학2,3,김미금1,2 |
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Department of Ophthalmology, Seoul National University College of Medicine1, Seoul, Korea Seoul Artificial Eye Center, Seoul National University Hospital Clinical Research Institute2, Seoul, Korea |
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Correspondence:
Eui Seok Han, M.D.1,2 |
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| Abstract |
PURPOSE
To investigate the changes in corneal curvature after suture removal in penetrating keratoplasty. METHODS: Forty-six patients who underwent penetrating keratoplasty without any other surgery which may affect on the corneal keratometric values were included, and their data were retrospectively reviewed. The mean follow-up was 11.5 months and the average donor-recipient size gap was 0.47 mm. Corneal curvature was estimated by the Simulated Keratometric index in 17 eyes with continuous sutures and in 29 eyes with interrupted sutures. The changes of corneal curvature were compared between suture-removed and not suture-removed groups. RESULTS: In patients with continuous suture, the corneal curvature increased significantly from 47.12D at 5.1 months to 49.30D at 10.6 months after suture removal (p=0.002); in patients with interrupted suture, corneal curvature increased from 37.93D at 4.1 months to 42.44D at 11.5 months (p<0.001) after an average removal of 4.23 interrupted sutures, but it was not changed in each not suture-removed groups. CONCLUSIONS: Corneal curvature increased, on average, by 2.18D after one continuous suture removal and by 2.26D after an average of 2.12 interrupted sutures removal in penetrating keratoplasty. Prediction of keratometric value after removal of the sutures can be helpful to determine intraocular lens power in cataract surgery simultaneously combined with penetrating keratoplasty. |
| Key Words:
Changes in corneal curvature;Corneal curvature;Penetrating keratoplasty;Suture removal |
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