Chronic hypotony management using endoscopy-assisted vitrectomy after severe ocular trauma or vitrectomy

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Supported by the Guangdong Province Natural Science Foundation (No.2019A1515011732); Guangzhou Science and Technology Foundation of Guangdong Province (No.202002030413).

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    AIM: To report outcomes of endoscopy-assisted vitrectomy (EAV) in patients with chronic hypotony following severe ocular trauma or vitrectomy. METHODS: This was a retrospective, noncomparative case series. Ciliary bodies were evaluated using ultrasound biomicroscopy pre-operatively and direct visualisation intraoperatively. All selected individuals (seven patients/seven eyes) underwent EAV. Removal of ciliary membrane and traction, gas/silicone oil tamponade (GT/SOT), and scleral buckling (SB) were performed in selected eyes. Outcome measurements mainly included intraocular pressure (IOP) and best-corrected visual acuity (BCVA). RESULTS: Seven eyes from 7 male aphakic patients with a mean age of 45 (range, 20-68)y were included in this study; the average follow-up time was 12 (9-15)mo. GT was performed in 2 eyes; membrane peeling (MP) and SOT in 2 eyes; and MP, SOT, and SB in 3 eyes. The mean pre- and post-operative IOP were 4.5 (range, 4.0±0.11 to 4.8±0.2) mm Hg and 9.9 (range, 5.6±0.17 to 12.1±0.2) mm Hg at 52wk (12mo), respectively. BCVA improved in six eyes; one eye still showed light perception, and no bulbi phthisis was observed. CONCLUSION: Endoscopy offers improved judgment and recognition and has an improved prognosis for chronic hypotony. Therefore, endoscopy can be an effective and promising operative technique for chronic traumatic hypotony management.

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Yong-Zhen Yu, Xiu-Lan Zou, Xuan-Ge Chen, et al. Chronic hypotony management using endoscopy-assisted vitrectomy after severe ocular trauma or vitrectomy. Int J Ophthalmol 2023;16(6):947-954

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  • Received:October 21,2022
  • Revised:April 17,2023
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  • Online: May 30,2023
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