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Central corneal thickness changes following manual small incision cataract surgery
Olufisayo Temitayo Aribaba1, Olusesan Adetunji Adenekan1, Adeola Olukorede Onakoya1
1Guinness Eye Centre, Lagos University Teaching Hospital, Lagos, Nigeria.
Clinical Ophthalmology (Auckland, N.Z.)
|February 6, 2015
Summary
Post-cataract surgery, central corneal thickness (CCT) temporarily increases before returning to normal. Minimal corneal manipulation during surgery aids faster visual rehabilitation.
Area of Science:
- Ophthalmology
- Corneal Physiology
- Surgical Outcomes
Background:
- Cataract surgery can impact corneal hydration and thickness.
- Understanding corneal recovery is crucial for visual rehabilitation.
Purpose of the Study:
- To assess central corneal thickness (CCT) changes after cataract surgery.
- To determine the time for corneal thickness to return to preoperative levels.
Main Methods:
- Prospective, hospital-based, within-patient controlled study.
- 200 patients (400 eyes) with manual small incision cataract surgery.
- Comparison between operated and unoperated eyes.
Main Results:
- Mean CCT increased by 76.9 μm 24 hours post-surgery.
- CCT decreased to near baseline by 12 weeks in operated eyes.
- Unoperated eyes also showed transient CCT increase.
Conclusions:
- Corneal thickness transiently increases post-cataract surgery.
- Corneal thickness stabilizes by 12 weeks (operated) and 4 weeks (unoperated).
- Minimizing corneal manipulation is key for faster visual recovery.
