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The association between primary pterygium and corneal endothelial cell density
Yijun Hu1,2, Alp Atik3, Wei Qi4
1Aier School of Ophthalmology, Central South University, Changsha, China.
Clinical & Experimental Optometry
|February 12, 2020
Summary
Primary pterygium may not affect corneal endothelial cell density. A study found no significant difference in cell density between eyes with and without pterygium in rural Chinese patients.
Area of Science:
- Ophthalmology
- Corneal Science
Background:
- Pterygium is a common ocular condition.
- Corneal endothelial cell density is crucial for corneal health.
Purpose of the Study:
- To investigate the relationship between primary pterygium and corneal endothelial cell density.
Main Methods:
- Retrospective study: 1,565 patients with pterygium vs. 3,448 controls.
- Prospective study: 95 patients with unilateral pterygium compared to their contralateral eyes.
Main Results:
- Retrospective: Lower cell density in pterygium eyes (2,454 cells/mm² vs. 2,525 cells/mm²).
- Prospective: No significant difference in cell density (2,480 cells/mm² vs. 2,527 cells/mm²).
- No significant difference in cell hexagonality or size variation.
Conclusions:
- Primary pterygium may not be associated with reduced corneal endothelial cell density in this population.
- Findings suggest pterygium's impact on endothelial cells might be less than previously thought.
