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Cohort studyJournal of clinical medicine · 2026

One-Year Outcomes of Phacoemulsification Combined with Trabecular Micro-Bypass Stent Implantation and Goniosynechialysis in Primary Angle Closure Glaucoma.

Yu-Jin Choi, Chungkwon Yoo, Eun Jung Jung

OphthalmologyCohort study

Combined cataract-glaucoma surgery lowered eye pressure to 13.8 mmHg at one year.

One-Year Outcomes of Phacoemulsification Combined with Trabecular Micro-Bypass Stent Implantation and Goniosynechialysis in Primary Angle Closure Glaucoma.

Yu-Jin Choi … Eun Jung Jung

Journal of clinical medicine · 2026

Background

Trabecular micro-bypass (iStent) implantation has been shown to effectively reduce intraocular pressure (IOP) and medication burden in open-angle glaucoma.

Methods

This retrospective study included 65 primary angle closure glaucoma eyes that underwent Phaco-GSL-iStent with follow-up of ≥12 months.

n = 65 PACG eyes

Results

eye pressure came down to a lower, healthier level after surgery

Preoperative

18.3mmHg

Postoperative 12mo

13.8mmHg

More results

Mean number of glaucoma medications showed a statistically significant but small decrease from 2.85 ± 0.15 to 2.44 ± 0.13 at 12 months ( p = 0.008).

The 12-month cumulative qualified success rate was 86.2%.

In multivariable analysis, IOP reduction at postoperative 12 months was positively associated with preoperative IOP (B = 0.707, p < 0.001).

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Conclusion

These one-year outcomes suggest that Phaco-GSL-iStent can be an effective option to lower IOP in patients with primary angle closure glaucoma. However, the reduction in glaucoma medication use was limited in this study sample.

One-Year Outcomes of Phacoemulsification Combined with Trabecular Micro-Bypass Stent Implantation and Goniosynechialysis in Primary Angle Closure Glaucoma.

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