April 2014
Volume 55, Issue 13
Free
ARVO Annual Meeting Abstract  |   April 2014
Anterior chamber depth and refraction changes in late postoperative capsular block syndrome
Author Affiliations & Notes
  • Min Kyu Yang
    Ophthalmology, Seoul national university hospital, Seoul, Republic of Korea
    Ophthalmology, Seoul Metropolitan Government - Seoul National University Boramae Medical Center, Seoul, Republic of Korea
  • Young Keun Han
    Ophthalmology, Seoul Metropolitan Government - Seoul National University Boramae Medical Center, Seoul, Republic of Korea
  • Won Ryang Wee
    Ophthalmology, Seoul national university hospital, Seoul, Republic of Korea
  • Footnotes
    Commercial Relationships Min Kyu Yang, None; Young Keun Han, None; Won Ryang Wee, None
  • Footnotes
    Support None
Investigative Ophthalmology & Visual Science April 2014, Vol.55, 2530. doi:
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      Min Kyu Yang, Young Keun Han, Won Ryang Wee; Anterior chamber depth and refraction changes in late postoperative capsular block syndrome. Invest. Ophthalmol. Vis. Sci. 2014;55(13):2530.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: To assess the characteristic findings and effect of laser capsulotomy in cases of late postoperative capsular block syndrome (CBS).

Methods: Twenty seven patients diagnosed as late postoperative CBS between July 2010 and August 2013 were retrospectively reviewed. Before and 1 week after capsulotomy, anterior chamber depth (ACD) changes were assessed using ultrasound biomicroscopy (UBM) and IOLMaster. Changes of refractive status and UCVA (uncorrected visual acuity) were also measured at 1 week and 1 month after capsulotomy. For patients who received bilateral cataract surgery, preoperative ACD and axial length of both eyes were compared using IOLMaster.

Results: Twenty five eyes of 23 patients who underwent laser capsulotomy showed a mean logMAR UCVA improvement of 0.31 ± 0.24 (range, 0.00-0.90). Mean ACD was increased by an average of 0.03 ± 0.05 mm (UBM, P = .035) and 0.72 ± 0.71 mm (IOLMaster, P = .011). Preoperative ACD was deeper in the eye with late postoperative CBS in all bilaterally pseudophakic patients (mean: 3.68 vs. 3.44 mm, P = .068).

Conclusions: Late postoperative CBS showed refractive changes which were resolved successfully after laser capsulotomy. Convex lens effect of opalescent material in distended capsular bag may play a major role in myopic shift. A greater preoperative ACD is possibly associated with the development of late postoperative CBS.

Keywords: 445 cataract • 578 laser  
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