Changes in corneal thickness following vitreous surgery
Akira Watanabe, Tomohiro Shibata, Hirotsugu Takashina, Shumpei Ogawa, Hiroshi TsuneokaDepartment of Ophthalmology, The Jikei University School of Medicine, Tokyo, JapanPurpose: We investigated changes in corneal thickness following vitreous surgery and determined whether such changes can be used to...
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| Autores principales: | , , , , |
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2012
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| Acceso en línea: | https://doaj.org/article/5796ef18f90241bc9d47c2d3b1e75566 |
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| Sumario: | Akira Watanabe, Tomohiro Shibata, Hirotsugu Takashina, Shumpei Ogawa, Hiroshi TsuneokaDepartment of Ophthalmology, The Jikei University School of Medicine, Tokyo, JapanPurpose: We investigated changes in corneal thickness following vitreous surgery and determined whether such changes can be used to evaluate the invasiveness of a vitrectomy.Patients and methods: This retrospective, consecutive, comparative study examined 20 eyes that had undergone 23-gauge vitrectomy. Corneal thickness was measured prior to as well as following 1 week, 1 month, and 3 months after surgery. Measurements were performed at the center and at points 3 mm superior, inferior, nasal, and temporal to the center.Results: Across the 20 cases, postoperative data showed a significant increase at 1 week after surgery at all points, but recovery to preoperative levels was evident only 1 month after surgery (P < 0.05, paired t-test test). In the rhegmatogenous retinal detachment group (n = 9), mean corneal thickness 1 week after vitrectomy showed a significant increase at all points, but had recovered to preoperative levels by 1 month. In the proliferative diabetic retinopathy group (n = 5), mean corneal thickness at 1 week after vitrectomy showed a significant increase at central, inferior, and temporal points, but had recovered to preoperative levels by 1 month. In the epiretinal membrane group (n = 6), 6 3 months after surgery (P < 0.05, Wilcoxon signed-rank test).Conclusions: Measurement of corneal thickness is useful for assessing the extent of surgical stress following vitrectomy.Keywords: corneal thickness, vitrectomy, MIVS, invasiveness |
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