Related Experiment Video
Updated: Jun 27, 2026

05:22
Iris Fixation via External Pentagram Suturing
Published on: May 5, 2022
Evaluation of anterior segment parameter changes using the Pentacam after uneventful phacoemulsification
Selim Doganay1, Penpegul Bozgul Firat, Sinan Emre
1Department of Ophthalmology, Inonu University School of Medicine, Malatya, Turkey. sdoganay@inonu.edu.tr
Acta Ophthalmologica
|December 5, 2008
Summary
Phacoemulsification surgery significantly reduces intraocular pressure (IOP) and alters anterior segment parameters, including anterior chamber depth (ACD) and volume (ACV), with effects stabilizing after one month. Corneal volume (CV), central corneal thickness (CCT), and pupil size remained unchanged.
Area of Science:
- Ophthalmology
- Surgical Innovation
- Anterior Segment Analysis
Background:
- Phacoemulsification is a common cataract surgery technique.
- Understanding its impact on anterior segment parameters is crucial for patient outcomes.
Purpose of the Study:
- To evaluate the effects of uneventful phacoemulsification on anterior segment parameters measured by Pentacam and intraocular pressure (IOP).
Main Methods:
- Prospective study of 42 eyes using Pentacam and Goldmann applanation tonometer.
- Preoperative and 1, 3, 6-month postoperative measurements of ACD, ACV, ACA, CCT, CV, pupil size, and IOP.
- Statistical analysis using non-parametric paired t-test and Pearson's correlation test.
Main Results:
- Significant reductions in IOP and increases in ACD and ACV were observed post-surgery.
- Anterior chamber angle (ACA) width significantly increased.
- No significant changes in central corneal thickness (CCT), corneal volume (CV), or pupil size were detected.
- Postoperative IOP changes did not correlate with ACD, ACV, or ACA alterations.
Conclusions:
- Uneventful phacoemulsification leads to significant improvements in IOP and anterior segment dimensions.
- These changes, including ACD, ACV, ACA, and IOP, stabilize by the first month post-surgery.
- Corneal parameters and pupil size are not significantly affected by the procedure.
