June 2020
Volume 61, Issue 7
Free
ARVO Annual Meeting Abstract  |   June 2020
Effect of Phacoemulsification on Anterior Chamber Angle in Eyes with Medically Uncontrolled Filtered Primary Angle-Closure Glaucoma
Author Affiliations & Notes
  • Chengguo Zuo
    Glaucoma, Zhongshan Ophthalmic Center, Guangzhou, Guangdong, China
  • Dingqiao Wang
    Glaucoma, Zhongshan Ophthalmic Center, Guangzhou, Guangdong, China
  • Kun Wei
    Glaucoma, Zhongshan Ophthalmic Center, Guangzhou, Guangdong, China
  • Qi Zhang
    Glaucoma, Zhongshan Ophthalmic Center, Guangzhou, Guangdong, China
  • Xing Liu
    Glaucoma, Zhongshan Ophthalmic Center, Guangzhou, Guangdong, China
  • Footnotes
    Commercial Relationships   Chengguo Zuo, None; Dingqiao Wang, None; Kun Wei, None; Qi Zhang, None; Xing Liu, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science June 2020, Vol.61, 3166. doi:
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      Chengguo Zuo, Dingqiao Wang, Kun Wei, Qi Zhang, Xing Liu; Effect of Phacoemulsification on Anterior Chamber Angle in Eyes with Medically Uncontrolled Filtered Primary Angle-Closure Glaucoma. Invest. Ophthalmol. Vis. Sci. 2020;61(7):3166.

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Abstract

Purpose : To evaluate the effect of phacoemulsification and intraocular lens (IOL) implantation on anterior chamber angle in eyes with medically uncontrolled filtered primary angle-closure glaucoma by indentation gonioscopy and ultrasound biomicroscopy (UBM).

Methods : Forty-four eyes of 37 consecutive patients with medically uncontrolled PACG coexisting cataracts with a surgical history of trabeculectomy were included in this study. Each patient underwent phacoemulsification and IOL implantation. Indentation gonioscopy and UBM were performed preoperatively and then again 3 months after surgery. The main outcome measures were best-corrected visual acuity (BCVA), intraocular pressure (IOP), number of anti-glaucoma medications and anatomical changes in the anterior chamber angle.

Results : The mean logarithm of the minimum angle of resolution BCVA significantly improved from 0.52 ± 0.30 preoperatively to 0.26 ± 0.23 postoperatively (p < 0.001). The mean IOP significantly decreasedfrom 24.33 ± 9.65 mmHg preoperatively to 18.04 ± 7.86 mmHg postoperatively (p < 0.05). 001). The median number of anti-glaucoma medications decreased from 2 preoperatively to 1 postoperatively (p < 0. 001). There was no significant difference in the extent of peripheral anterior synechia after the surgery (p > 0.05). Someparameters, including anterior central chamber depth, angle opening distance at 500 μm, trabecular-iris angle and scleral ciliary process angle, were significantly higher after than before surgery (p < 0.001). However, the crystalline lens rise was significantly smaller following surgery (p <0.001).

Conclusions : Phacoemulsification and IOL implantation reduced IOP and improved vision in eyes with medically uncontrolled filtered PACG.

This is a 2020 ARVO Annual Meeting abstract.

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