Polymegethism is a greater than normal variation in size of the corneal endothelial cells.
Causes include aging, contact lens wear,1 ocular surgery, trauma and damage.
References
References
- Haluk, Esgin; Nazan, Erda. "Corneal Endothelial Polymegethism and Pleomorphism Induced by Daily-Wear Rigid Gas-Permeable Contact Lenses". Eye & Contact Lens. 28 (1). Retrieved 7 September 2021.