| Effect of Vitrectomy on IOL Calculation for Cataract Surgery : Study of Vitrectomized Eyes. |
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Eui Yon Kim, Jae Hong Ahn, Ho Min Lew, Hong Seok Yang |
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Department of Ophthalmology, Ajou University School of Medicine, Suwon, Korea. yhs0816@naver.com |
| 유리체절제술 후 시행한 백내장 수술에서 유리체절제술이 인공수정체 도수 결정에 미치는 영향 |
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김의연ㆍ안재홍ㆍ유호민ㆍ양홍석 |
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Department of Ophthalmology, Ajou University School of Medicine, Suwon, Korea |
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| Abstract |
PURPOSE
To evaluate the effect of vitrectomy in IOL power calculation for cataract surgery in the eyes that previously performed vitrectomy. METHODS: This study comprised 41 eyes of 37consecutive patients who underwent cataract surgery after previous vitrectomy. IOL power calculation with the measurement of axial length and corneal power was conducted before vitrectomy and before cataract surgery. Target refractions at each surgery, assuming that the same power of IOL was implanted, were compared to actual manifest refraction after cataract surgery. RESULTS: There was no statistically significant change in both axial length and corneal power after vitrectomy (p>0.05). Before vitrectomy, target refraction was -0.22+/-0.61D compared to -0.37+/-0.52D before cataract surgery. The actual refraction after cataract surgery was -0.47+/-0.94D, and there were no significant differences among the three refractions (p>0.05). CONCLUSIONS: In the eyes that underwent vitrectomy, vitrectomy itself does not have an influence on calculating IOL power for cataract surgery. |
| Key Words:
Cataract;Intraocular lens power;Refractive error;Vitrectomy |
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