Damage to the cornea due to corneal perforation can cause decreased visual acuity.
Pellucid marginal degeneration may cause corneal thinning, leading to perforation.
Any aqueous leakage is revealed during the Seidel test confirms corneal perforation.
If the clear aqueous humor from the eye runs through the yellow stain, the patient tests positive for corneal perforation.
The treatment of corneal perforation depends on the location, severity and the cause of damage