Wind and dust are also believed to cause their formation. While a pinguecula may contain deposits of protein, fat or calcium, the American Academy of Ophthalmology explains, a pterygium (also known as ...

Pollen is a common allergen that can aggravate eyes. Pinguecula and pterygium are growths that appear on your eye’s conjunctiva, the clear covering that sits on the white part of the eye.

nus.edu.sg Purpose To determine the prevalence and risk factors for pterygium in the adult Malay population of Singapore. Methods A population-based survey of Malays aged 40 to 79 years living in ...