The most common allergy that is widely ignored by people is eye allergy. If your eyes are itchy or watery or burning, then you might have an eye allergy.
The primary allergy types are seasonal or perennial allergic conjunctivitis, vernal keratoconjunctivitis, atopic keratoconjunctivitis, contact allergic conjunctivitis and giant papillary conjunctivitis.
Seasonal allergic conjunctivitis (SAC) is the most common eye allergy type. Depending on the type of seasonal pollination, patient experience symptoms like
People with SAC symptom accompany runny nose, sneezing and nasal congestion associated with hay fever and other seasonal allergies. Chronic dark circle under eye may also be. The itching may be so bothersome that patients rub their eyes frequently, making symptoms worse and potentially causing infection.
Perennial allergic conjunctivitis (PAC), as its name implies, occurs year-round. The symptoms are same but they are milder. They are caused by reactions to dust mites, mold, pet fur or other household allergens, other than pollen.
Vernal keratoconjunctivitis is a more serious eye allergy can occur year-round, symptoms may worsen seasonally. It primarily occurs in boys and young men; about 75 percent of patients also have eczema or asthma.
This allergy affects the older men patients who have a history of allergic dermatitis. This is a year-round allergy very similar to vernal keratoconjunctivitis.
This can result from irritation by contact lenses or by the proteins from tears that bind to the surface of the lens.
This type of allergy is associated with wearing contact lenses. This alleric is a severe form of contact allergic conjunctivitis in which individual fluid sacs, or papules, form in the upper lining of the inner eyelid.