The allergens ( i.e. pollen) irritates the caruncle and causing it to be inflammed and swollen. In addition, both the allergens and inflammatory “stuff” the eyes produces to fight the allergen accumulates in the caruncle area leading to become the epicenter of itchiness.
What happens if your caruncle is swollen?
The swollen caruncle may impair fluid flow from the lacrimal gland to the punctum, triggering epiphora, although the nasolacrimal system is normal[3]–[4]. All the cases were conducted in accordance with the Declaration of Helsinki.
What is lacrimal Caruncle?
The lacrimal caruncle is the small, pink, globular spot at the inner corner, or the medial canthus, of the eye. It contains both oil and sweat glands. The whitish material that sometimes accumulates in that region is from these glands.