Burning discomfort and itching comes and goes. Treatment involves cleansing of the eyelid margin, using sterile wipes or eye ointments. Incidence of the condition is approximately 1 in 5,000. The condition manifests as a thinning of the corneal apex, or central area of the cornea. With the weakening of the tissue there is a bulging of the tissue which increases the myopia of the affected eye.
Initial correction is via spectacles whereby reasonable vision can be attained.
Subsequent treatment is via a rigid contact lens which will provide a new front surface to the optical system of the eye. Affects the eye by encroaching from a skin lesion or starts on the eye. The appearance is white pustules, similar to cold sores in the mouth. This disease is treated by early antiviral treatment. Also that VDTs emit no UV radiation below 350nm.