Allergic conjunctivitis clinical forms
There are several clinical forms of
this disease
SEASONAL ALLERGIC CONJUNCTIVITIS
Which is the most common eye allergy
is associated with an immediate to allergens that depend on the geographic area
hypersensitivity form. (See CONJUNCTIVITIS ALLERGIC)
ALLERGIC CONJUNCTIVITIS perennial
It differs from the previous one
only by the nature of the causative allergens are present throughout the year
such as dust mites, animal dander, feathers.
Symptoms are present throughout the
year on a chronic or subacute fashion
This form of disease often takes the
form of dry eye with instablilité tear film.
THE vernal keratoconjunctivitis
Formerly called vernal
conjunctivitis is rare with a spring or summer resurgence?
This form is often the prerogative
of children under 10 years, male, having a personal or family history of
allergies.
It develops most often toward
stabilization in adulthood although sometimes the transition to a chronic form
is possible
The symptoms are intense with
itching, photophobia, sometimes a decrease in visual acuity is related to a
breach of the cornea (which is responsible for the prognosis of the disease.
THE ALLERGIC KERATO-CONJUNCTIVITIS
It is rare but severe corneal
involvement is present in 75% of cases and is the major prognostic factor of
the disease.
It most often affects young adult
males throughout the year with a summer increase.
This conjunctivitis is the seat of
inflammation may progress to fibrosis more or less localized.
Finally a chronic corneal ulcer is
common with risk opacity effects, and sometimes perforation.
CONJUNCTIVITIS CONTACT
It is linked to eye drops and
cosmetics.
Itching is a common
the skin lesions of eyelids eczema
type is associated with a papillary or follicular conjunctivitis
The corneal involvement is rare.
Allergens most frequently
encountered are:
the preservatives contained in eye
drops (QUATERNARY AMMONIUM)
certain antibiotics such as
neomycin.
CONJUNCTIVITIS giganto-PAPILLARY
It is generally carry contact lenses
or eye prosthesis, but sometimes patients with a history of eye surgery.
Inspection of the upper tarsal
conjunctiva demonstrates giant papillae (MORE THAN 1 MM) or without corneal
limbal reached.
The prognosis is good if the
mechanical cause is removed.
TREATMENT
The use of a simple eye drops
without preservatives saline prevents scratching due to pruritus.
In addition it allows washing of the
antigen and facilitates the removal of inflammatory mediators conveyed by tears.
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