Targeting Schwann cells: A new approach to repairing corneal injury

MedicalXpress | Jun 17, 2026

The cornea—the clear, dome-shaped outer layer of the eye—contains more nerves per surface area than any other tissue in the human body. Its nerve density is 300–600 times that of the skin. These nerves are vital for preserving eye health, sending pain signals to let you know if your eye is at risk of damage from bright light or a foreign object—and reminding you to continuously blink to prevent your eyes from drying out.