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- Title
Efficacy of scleral imbrication on all quadrants in enucleated pig eyes.
- Authors
Sawada, Osamu; Obata, Shumpei; Kakinoki, Masashi; Matsumoto, Riko; Ichiyama, Yusuke; Sawada, Tomoko; Saishin, Yoshitsugu; Ohji, Masahito
- Abstract
Purpose: To evaluate the changes in axial length (AL) and corneal astigmatism induced by scleral imbrication on all quadrants in pig eyes. Study design: Experimental study Methods: We produced scleral imbrications either on all quadrants or on 2 consecutive quadrants of 5 enucleated pig eyes. Scleral imbrications 8 mm wide were made at 8 mm from the limbus on each quadrant. We determined the AL using an electronic caliper and the corneal astigmatism using a keratometer before and after the 2 types of scleral imbrications and compared the changes in ocular AL and corneal astigmatism induced by the 2 surgical procedures. Results: The AL reduction after the scleral imbrication on all quadrants (3.96 ± 0.56 mm) was larger than that on 2 quadrants (2.39 ± 0.41 mm) (P =.001). The change in corneal astigmatism induced by imbrication on all quadrants (2.98 ± 1.96 D) was less than that on 2 quadrants (5.95 ± 2.04 D) (P <.029). Conclusions: Scleral imbrication on all quadrants induced a shorter AL and less corneal astigmatism than did a standard scleral imbrication on 2 quadrants. Therefore, the former could be a more effective operation for retinal disorders associated with high myopia, including macular hole retinal detachment and myopic foveoschisis.
- Subjects
RETINAL diseases; RETINAL detachment; ASTIGMATISM; SWINE; CORNEA; LASIK; PHOTOREFRACTIVE keratectomy
- Publication
Japanese Journal of Ophthalmology, 2022, Vol 66, Issue 3, p335
- ISSN
0021-5155
- Publication type
Article
- DOI
10.1007/s10384-022-00915-2