How is both canthus itch to return a responsibility

2

. Allergy When the corners of the eyes come into contact

with allergens such as pollen, dust mites, animal fur

, etc.

, the immune system will react, releasing histamine, stimulating the skin of the corners

of the eyes, resulting in itching.

3. Dry eye patients

due to insufficient tear secretion or rapid evaporation of tears, may lead to too dry eyes, easy to damage the corneal epithelium, resulting in dry eyes, tingling, and may be accompanied by itching symptoms.