Medical Lasers

  • 제9권1호
  • /
  • Pages.44-50
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  • 2020
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  • 2287-8300(pISSN)
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  • 2288-0224(eISSN)
대한의학레이저학회 (Korean Society for Laser Medicine and Surgery)
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Rotational Stability of AcrySof Toric Intraocular Lens Over Time: Influence of Capsulorhexis Contraction

  • Kim, Joong Hee (Department of Ophthalmology, Dankook University College of Medicine) ;
  • Cho, Kyong Jin (Department of Ophthalmology, Dankook University College of Medicine)
  • 투고 : 2020.03.24
  • 심사 : 2020.03.30
  • 발행 : 2020.06.30
⟨ 이전 논문 다음 논문 ⟩

초록

Background and Objectives To evaluate the rotational stability of AcrySof toric intraocular lenses (IOL) by considering lapse of postoperative time and influence of capsulorhexis contraction. Materials and Methods A prospective, masked, single center study was conducted on 19 patients who had undergone microcoaxial cataract surgery and AcrySof toric IOL implantation. Slit-lamp retroillumination photographs of anterior segments were obtained from all patients after 1 week, 1 month and 3 months post-surgery. The degree of alteration of the postoperative IOL axis alignment and the amount of anterior capsular shrinkage were analyzed using Adobe Photoshop software. Results The mean degree of toric IOL axis misalignment was 2.18 (±20.2) degrees at 3 months follow-up. Quadrant analysis of the capsulorhexis aperture area at 1 week and 1 month post-operative, showed counterclockwise IOL rotation when the capsule contraction was dominant in the haptic part as well as clockwise rotation when dominant in the non-haptic part (p = 0.015). Conclusion The direction and degree of AcrySof toric IOL rotation differed throughout the follow-up period. Since most misalignments were found on the first post-operative day, physicians should try to minimize peri-operative risk factors that influence IOL rotation. There was also a correlation between the part of anterior capsule contraction and the direction of IOL rotation.

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과제정보

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참고문헌

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