학술논문
The Short Term Effects of a Single Limbal Relaxing Incision Combined with Clear Corneal Incision
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- 영문명
- 발행기관
- 대한안과학회
- 저자명
- Dong Hyun Kim Won Ryang Wee Jin Hak Lee Mee Kum Kim
- 간행물 정보
- 『The Korean Journal of Ophthalmology』Vol.24 No.2, 78~82쪽, 전체 5쪽
- 주제분류
- 의약학 > 기타의약학
- 파일형태
- 발행일자
- 2010.04.30
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국문 초록
영문 초록
Purpose: To compare the effects of performing a single limbal relaxing incision (LRI) combined with a clear corneal
incision on a corneal astigmatism with that of paired LRIs in cataract surgery.
Methods: Medical records for 25 eyes in 20 patients who had undergone LRIs during cataract operations for
with-the-rule astigmatism of 1.5 diopters (D) or more in topography were retrospectively reviewed. Single or
paired LRIs were assigned randomly and were performed on the steepest axis; the degrees of arc were determined
using the modified Gills nomogram. A clear corneal wound was made on the steepest vertical axis.
Uncorrected visual acuity (UCVA), best corrected visual acuity (BCVA), manifest refraction, and corneal astigmatism
on topography were evaluated preoperatively and one month postoperatively. Naeser’s polar value analysis
was used to assess the efficacy of the LRIs.
Results: The mean depth of the LRIs and degrees of arc were 620±31 μm (87.1 % of corneal thickness) and
56.84±19.68°, respectively. The mean postoperative UCVA and BCVA (log MAR) were significantly improved
(0.51±0.37 and 0.09±0.12, respectively) (p<0.05). Average refractive and corneal astigmatisms were significantly
reduced by 49.4 percent and 32.4 percent, respectively (p<0.05). The single LRI combined with clear corneal incision
showed reduced efficacy in refractive astigmatism by 47 percent, which is similar to that of paired LRIs
where a 48 percent reduction in efficacy was seen.
Conclusions: The short-term effects of a single LRI combined with clear corneal incision on a corneal astigmatism
appears to be as effective as performing paired LRIs when combined with cataract incision.
목차
Materials and Methods
Results
Discussion
Conflict of Interest
Reference
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