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Background <p>Nanophthalmos is a rare congenital ocular disorder characterized by a short axial length (AL), which predisposes to secondary angle-closure and secondary angle-closure glaucoma. Surgical management is challenging due to high complication risks. This study aimed to evaluate the feasibility and efficacy of phacoemulsification with intraocular lens implantation and goniosynechialysis (Phaco + IOL+GSL) in nanophthalmos with secondary angle-closure or secondary angle-closure glaucoma, and to propose a stepwise complication management strategy.</p> Methods <p>This retrospective case series included 20 eyes of 20 patients diagnosed with nanophthalmos (AL &lt; 20&#xa0;mm) and PAC (2 eyes) or ACG (18 eyes) who underwent Phaco + IOL+GSL between January 2022 and Jun 2025. Patients were divided into three groups based on AL: Group A (14&#xa0;mm ≤ AL &lt; 16&#xa0;mm, 9 eyes), Group B (16&#xa0;mm ≤ AL &lt; 18&#xa0;mm, 4 eyes), and Group C (18&#xa0;mm ≤ AL &lt; 20&#xa0;mm, 7 eyes). Preoperative and postoperative uncorrected visual acuity (UCVA, logMAR) and best-corrected visual acuity (BCVA, logMAR) were recorded, intraocular pressure (IOP), number of antiglaucoma medications, and intraoperative and postoperative complications were analyzed.</p> Results <p>At the final follow-up (6–12 months postoperatively), the median IOP significantly decreased from 25.5 [16.0, 35.0] mmHg to 16.0 [14.0, 19.0] mmHg (<i>P</i> &lt; 0.05). The median number of antiglaucoma medications decreased from 2.5 [0.0, 4.0] to 0.0 [0.0, 0.0] (<i>P</i> &lt; 0.05). UCVA improved from 1.30 [1.00, 1.70] to 0.40 [0.12, 1.10] (<i>P</i> &lt; 0.05), and BCVA improved from 0.82 [0.40, 1.30] to 0.50 [0.30, 0.90]<b> (</b><i>P</i> &lt; 0.05<b>).</b>The qualified success rate was 95.0% (19/20), and the complete success rate was 80.0% (16/20). The intraoperative complication rate was 25.0% (5/20), primarily shallow anterior chamber. The postoperative complication rate was 40.0% (8/20), primarily shallow anterior chamber with elevated IOP. Complications were concentrated in Groups A and B. A stepwise management strategy—initiating with medical/laser therapy, escalating to cyclophotocoagulation, and reserving pars plana vitrectomy for refractory cases—achieved successful complication management.</p> Conclusion <p>For nanophthalmos with secondary angle-closure glaucoma, Phaco + IOL+GSL appears to be a feasible and effective procedure, particularly when combined with a stepwise complication management strategy. It may serve as an initial surgical option before resorting to more invasive combined procedures. However, the high complication rate in eyes with AL &lt; 16&#xa0;mm warrants extreme caution and readiness for escalation. The retrospective design and small sample size limit the generalizability of our findings; larger prospective studies are needed to confirm these results.</p>

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Phacoemulsification with goniosynechialysis for nanophthalmos with secondary angle-closure or secondary angle-closure glaucoma: a 20-case series and stepwise management strategy

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  • 发表日期：

    2026年6月1日

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  • Hongyan Zhu,
  • Zuohong Wu,
  • Yong Wang,
  • Xun Zhan,
  • Jin Lv,
  • Li Ye

摘要

Background

Nanophthalmos is a rare congenital ocular disorder characterized by a short axial length (AL), which predisposes to secondary angle-closure and secondary angle-closure glaucoma. Surgical management is challenging due to high complication risks. This study aimed to evaluate the feasibility and efficacy of phacoemulsification with intraocular lens implantation and goniosynechialysis (Phaco + IOL+GSL) in nanophthalmos with secondary angle-closure or secondary angle-closure glaucoma, and to propose a stepwise complication management strategy.

Methods

This retrospective case series included 20 eyes of 20 patients diagnosed with nanophthalmos (AL < 20 mm) and PAC (2 eyes) or ACG (18 eyes) who underwent Phaco + IOL+GSL between January 2022 and Jun 2025. Patients were divided into three groups based on AL: Group A (14 mm ≤ AL < 16 mm, 9 eyes), Group B (16 mm ≤ AL < 18 mm, 4 eyes), and Group C (18 mm ≤ AL < 20 mm, 7 eyes). Preoperative and postoperative uncorrected visual acuity (UCVA, logMAR) and best-corrected visual acuity (BCVA, logMAR) were recorded, intraocular pressure (IOP), number of antiglaucoma medications, and intraoperative and postoperative complications were analyzed.

Results

At the final follow-up (6–12 months postoperatively), the median IOP significantly decreased from 25.5 [16.0, 35.0] mmHg to 16.0 [14.0, 19.0] mmHg (P < 0.05). The median number of antiglaucoma medications decreased from 2.5 [0.0, 4.0] to 0.0 [0.0, 0.0] (P < 0.05). UCVA improved from 1.30 [1.00, 1.70] to 0.40 [0.12, 1.10] (P < 0.05), and BCVA improved from 0.82 [0.40, 1.30] to 0.50 [0.30, 0.90] (P < 0.05).The qualified success rate was 95.0% (19/20), and the complete success rate was 80.0% (16/20). The intraoperative complication rate was 25.0% (5/20), primarily shallow anterior chamber. The postoperative complication rate was 40.0% (8/20), primarily shallow anterior chamber with elevated IOP. Complications were concentrated in Groups A and B. A stepwise management strategy—initiating with medical/laser therapy, escalating to cyclophotocoagulation, and reserving pars plana vitrectomy for refractory cases—achieved successful complication management.

Conclusion

For nanophthalmos with secondary angle-closure glaucoma, Phaco + IOL+GSL appears to be a feasible and effective procedure, particularly when combined with a stepwise complication management strategy. It may serve as an initial surgical option before resorting to more invasive combined procedures. However, the high complication rate in eyes with AL < 16 mm warrants extreme caution and readiness for escalation. The retrospective design and small sample size limit the generalizability of our findings; larger prospective studies are needed to confirm these results.