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Updated: Feb 13, 2026

Development of a Noninvasive, Laser-Assisted Experimental Model of Corneal Endothelial Cell Loss
Published on: April 24, 2020
Endothelial cells loss to the hyperopic pacients during phacoemulsification.
Dan-Mircea Stănilă1,2,3,4, Andreea-Maria Florea1,3, Adriana Stănilă2,3,4
1Department of Ophthalmology, Clinical Emergency Hospital Sibiu, Sibiu, Romania.
Phacoemulsification cataract surgery in hyperopic patients may lead to higher endothelial cell loss. Protecting the corneal endothelium with viscoelastics is crucial for preserving cell density and minimizing corneal thickening post-surgery.
Area of Science:
- Ophthalmology
- Surgical Innovation
- Corneal Health
Background:
- Phacoemulsification is a common cataract surgery, improving vision in most patients.
- Hyperopic eyes present surgical challenges due to anatomical differences like shorter eyeballs and shallower anterior chambers.
- These anatomical variations increase risks of complications during cataract surgery, including endothelial damage.
Purpose of the Study:
- To evaluate endothelial cell loss following phacoemulsification in patients with hypermetropia.
- To compare outcomes in hyperopic eyes versus other refractive error groups.
Main Methods:
- Retrospective analysis of 1775 cataract surgeries performed between 2011 and 2013.
- Detailed analysis of 72 hyperopic patients, measuring endothelial cell density and corneal thickness via specular microscopy.
- Preoperative and postoperative (7-14 days) measurements were taken.
Main Results:
- Hyperopic eyes experienced an average endothelial cell loss of 267 cells/mm².
- Corneal thickness increased by an average of 13 µm in hyperopic patients post-surgery.
- Pre-existing hypermetropia can influence cataract surgery outcomes.
Conclusions:
- Phacoemulsification in hyperopic patients necessitates increased surgical attention and meticulous endothelial protection.
- Preoperative biometry and specular microscopy are vital for optimizing surgical planning and postoperative care.
- Utilizing viscoelastic agents effectively minimizes endothelial cell loss in hyperopic eyes, showing insignificant modifications compared to previous studies.
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