These include epithelial changes, infections, inflammation and conditions that compromise the natural protection of the ocular surface.
How they manifest themselves
Symptoms include redness, pain, discharge, photophobia and visual impairment, with possible rapid deterioration in the event of infection.
Why they occur
The causes can be bacterial, viral, traumatic or related to chronic diseases of the ocular surface.
The role of the corneal epithelium
The epithelium forms a fundamental barrier against microorganisms and external agents, keeping the cornea transparent.
When to see a specialist
Immediate assessment is necessary in the presence of pain, secretions, worsening vision or suspected trauma.
