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Anterior Segment Changes after Lens Extraction in Acute Angle-Closure Glaucoma Assessed by Scheimpflug Tomography
Irem Onal1, Elif Ertan Baydemir2, Yusuf Yildirim3
1Department of Ophthalmology, University of Health Sciences, Basaksehir Cam and Sakura City Hospital, Istanbul, Turkiye.
Korean Journal of Ophthalmology : KJO
|February 23, 2026
Summary
Early lens extraction in acute angle-closure glaucoma (AACG) significantly improves anterior segment morphology and lowers intraocular pressure (IOP). This study demonstrates the benefits of timely cataract surgery for AACG patients.
Area of Science:
- Ophthalmology
- Glaucoma Research
- Surgical Innovation
Background:
- Acute angle-closure glaucoma (AACG) poses a significant threat to vision.
- Understanding the impact of early intervention is crucial for managing AACG.
Purpose of the Study:
- To evaluate the effects of early phacoemulsification on anterior segment morphology and intraocular pressure (IOP) in AACG patients.
- To assess the utility of Scheimpflug-Placido disc tomography in quantifying these changes.
Main Methods:
- Retrospective cohort study of 32 phakic AACG patients.
- Phacoemulsification performed within one month of acute attack after medical stabilization.
- Anterior segment parameters measured using Scheimpflug-Placido disc tomography pre- and post-surgery.
Main Results:
- Significant improvement in best corrected visual acuity (p < 0.01).
- Mean IOP reduction of 22.8 ± 3.45 mmHg (p < 0.01).
- Significant increases in iridocorneal angle, anterior chamber depth, and volume (p < 0.01); slight decrease in central corneal thickness (p = 0.03).
Conclusions:
- Early lens extraction in AACG leads to significant improvements in anterior segment parameters and IOP.
- Scheimpflug-Placido disc tomography is an effective non-invasive tool for monitoring treatment outcomes in AACG.
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