About Eye (Ocular) Allergies - KAIT Jonesboro, AR - Region 8 News, weather, sports

About Eye (Ocular) Allergies

Eye Allergies Overview

Up to 50 million Americans suffer from the miseries of allergies, with allergic reactions involving the eyes being a common complaint. An allergic reaction that affects the conjunctiva, a clear layer of skin overlying the eyes, is commonly referred to as allergic conjunctivitis.

Allergic conjunctivitis is divided into several major subtypes, but the most common subtypes are seasonal allergic conjunctivitis (SAC) and perennial allergic conjunctivitis (PAC). SAC and PAC are triggered by an immune reaction involving a sensitized individual and an allergen. Simply stated, this means that if you are allergic to a particular substance and then come into contact with it, you experience an allergic reaction (eg, itching, sneezing).

Although it frequently occurs, allergic conjunctivitis is most commonly seen in areas with high seasonal allergens.

Ocular (eye) allergies often affect the conjunctiva, a clear layer of skin overlying the eyes. This clear layer of skin is the same type of skin that lines the inside surface of the nose. Because these two areas are so similar, the same allergens (substances that induce an allergic reaction) can trigger the same allergic response in both areas.

Common allergens include:

  • Pollen
  • Grass
  • Weeds
  • Dust
  • Pet dander

The main difference between SAC and PAC is the timing of the symptoms.

  • If you have SAC, you generally have problems for a short period of time. You may be bothered in the spring by tree pollen, in the summer by grass pollen, or in the fall by weed pollen. Generally, your symptoms resolve during other times of the year, especially in the winter.
  • If you have PAC, your problems probably last throughout the year. Instead of outdoor allergens, you have problems with indoor allergens, such as dust mites, cockroaches, and pet dander. Seasonal outdoor allergens may worsen your problems if you are sensitive to them as well.

Question to ask your doctor....

  • Is there a specific, identifiable cause?
  • How can I reduce my symptons?
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