Vernal keratoconjunctivitis: what is it?

Vernal keratoconjunctivitis is the form of conjunctivitis the most severe. It mainly affects children and ends up, in most cases, disappearing in adulthood.

A conjunctivitis corresponds to an inflammation of the conjunctiva, the membrane that covers the sclera (the white of theeye) and the inner part of the eyelids. We speak of keratoconjunctivitis when it is associated with keratitis, an inflammation of the cornea.

Although it usually lasts all year round, vernal keratoconjunctivitis is so called because it tends to get worse in the spring and summer. The Rays ultraviolet from Sun are among the triggers of inflammatory flare-ups. This is why vernal keratoconjunctivitis is more common in countries with climates hot.

A possible link between allergies and vernal keratoconjunctivitis

The causes of vernal keratoconjunctivitis are not well established, but an origin allergic is possible. An allergic terrain is found in the majority of patients with vernal keratoconjunctivitis, and it is more common in people witheczema orasthma.

There are several forms in which vernal keratoconjunctivitis can manifest. The palpebral shape is recognized when the inner eyelid is lined with “papillae”, visible by turning it over. in shape limbic, a gelatinous bead is visible around the cornea. It is a deposit of epithelial cells andeosinophilscells involved in allergic reactions.

Like other types of conjunctivitis, vernal keratoconjunctivitis is often associated with rhinitis.

Vernal keratoconjunctivitis is potentially sight-threatening

According to the level of gravity of the disease, ulcers or plaques may be present on the surface of the eye and can greatly hinder view. In the most extreme cases, surgery may be considered.

Keratoconjunctivitis can cause permanent loss of visual acuity and requires treatment. fast charge and effective, often involving collaboration between an ophthalmologist and a allergist.