Why Are My Eyes Itchy?

Allergic conjunctivitis:

- Also called allergic eye disease or hay fever conjunctivitis, it is an inflammation of the conjunctiva, the clear tissue that lines the eyelid and covers the white part of the eye.

- It is caused by an allergic reaction to substances such as pollen, dust mites, pet dander, and mold spores.

- Symptoms include itchy, watery eyes, redness, swelling, and a feeling of something in the eye.

Dry eyes:

- Occurs when the eyes do not produce enough tears or the tears evaporate too quickly.

- It can be caused by environmental factors such as dry air, wind, and sun exposure, as well as certain medical conditions and medications.

- Symptoms include itchy, burning, or gritty eyes, redness, and a feeling of dryness or stickiness in the eyes.

Blepharitis:

- An inflammation of the eyelids.

- It can be caused by a variety of factors, including bacterial infections, allergies, and skin conditions such as rosacea.

- Symptoms include itchy, red, and swollen eyelids, crusting or scaling on the edges of the eyelids, and watery eyes.

Contact lens irritation:

- Can occur if the contact lenses are not properly fitted or cleaned, or if they are worn for too long.

- Symptoms include itchy, red, and watery eyes, as well as a feeling of discomfort or pain when wearing the contact lenses.

Stye:

- A small, red, and painful bump on the eyelid that is caused by a bacterial infection.

- Symptoms include itching, redness, and swelling of the eyelid, as well as sensitivity to light and a feeling of something in the eye.

Other causes:

- In some cases, itchy eyes can be a symptom of a more serious underlying medical condition, such as thyroid disease, diabetes, or a vitamin A deficiency.

- It is important to see a doctor if you have itchy eyes that are accompanied by other symptoms, such as changes in vision, pain, or discharge from the eyes.