J Korean Ophthalmol Soc > Volume 57(1); 2016 > Article
Journal of the Korean Ophthalmological Society 2016;57(1):36-42.
DOI: https://doi.org/10.3341/jkos.2016.57.1.36    Published online January 15, 2016.
Predisposing Factors and Surgical Outcomes of Intraocular Lens Dislocation after Phacoemulsification.
Je Moon Yoon, Joo Hyun, Dong Hui Lim, Eui Sang Chung, Tae Young Chung
Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. tychung@skku.edu
수정체초음파유화술 후에 생긴 인공수정체 탈구의 선행 요인의 빈도와 치료 결과
윤제문⋅현 주⋅임동희⋅정의상⋅정태영
성균관대학교 의과대학 삼성서울병원 안과학교실
To report the predisposing factors and surgical outcomes of intraocular lens dislocation (IOL) after phacoemulsification. METHODS: We performed a retrospective study of 131 eyes in 120 patients who were diagnosed with IOL dislocation after phacoemulsification between January 2008 and December 2013. The main outcomes are possible predisposing factors, characteristics of IOL dislocation, and outcomes of rectification surgery, including visual acuity (VA), and refractive status before and at 3 months after surgery. RESULTS: The main conditions associated with IOL dislocation were as follows: status after vitrectomy (27.5%), long axial length (9.2%), neodymium-doped yttrium aluminium garnet (Nd:YAG) posterior capsulotomy (8.4%), uveitis (6.1%), trauma (5.3%), mature cataract (3.8%), and pseudoexfoliation (2.3%). Mean uncorrected VA improved significantly after rectification surgery (p = 0.00), and best-corrected VA also improved significantly (p = 0.01). Mean value of spherical equivalent tended to decrease, although the decrease was not significant (p = 0.07). Whereas astigmatism showed a significant increase (p = 0.01). 6 eyes (4.6%) were associated with recurrence of IOL dislocation. CONCLUSIONS: Possible major predisposing factors for IOL dislocation are status after vitrectomy, long axial length, Nd:YAG posterior capsulotomy, uveitis, and trauma. The surgical outcome and improvement of postoperative visual acuity were satisfactory.
Key Words: Intraocular lens dislocation;Phacoemulsification;Surgical outcome

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