In this case, the immune system attacks the allergens, whether bacteria or viruses, by producing substances that fight them, which causes some annoying symptoms such as redness, itching and tears,

 

Symptoms of eye allergy

When you have an eye allergy, it may be accompanied by some symptoms, including:

 -Itching or burning in the eye.

- Tears runny.

- Red eyes.

- Swelling and puffiness of the eye area.

One or both eyes may be affected by this, and the allergy may be accompanied by a runny nose or sneezing.

 

Causes of eye sensitivity

Eye allergies are usually caused by an immune reaction to certain allergens such as pollen, animal dander, dust and dust or smoke.

 

And then the immune system deals with the allergens that they are harmful substances and begins to fight them and makes some chemical changes in the body to help it fight them even if these causes are not harmful.