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KMID : 0061119830110000114
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Bulletin of the Clinical Research Institute
1983 Volume.11 No. 0 p.114 ~ p.114
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Corneal Change Followign Radial Karatotomy in Rabbits
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Ahn Myung-Dong
Kim Jae-Ho
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Abstract
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This experiment was performed on 20 rabbit eyes in order to evaluate the changes of the cornea following 16 directional radial keratotomy. Changes in keratometry and pachometry have been ´studied postoperatively for 1 month.
The rabbits were sacrificed postoperatively and enucleared in the 1st, 3rd, 7th, 14th and 30th day for histologic examination. The results obtained were as follows:
1. Radial incision in rabbit eyes resulted in a mean corneal flattening of 2.38 diopters postoperatively at 30 days.
2. Corneal thickness was increased postoperatively for 3 days and decreased postoperatively at 7 days and returned to normal range (mean thickness of 0.332±0.017 ㎜) postoperatively at 14 days (mean thickness of 0.337±0.017 ㎜).
3. With microscopic examination by 7 days postoperatively, healing appeared complete with reapproximation of the wound margins, disappearance of all but a few of fibroblasts, and minimal deposition of new collagenous matrix. Incised cornea revealed considerable variation in incision depth.
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