Pingeucula and Pterygium

A pinguecula is an abnormal growth of tissue on the conjunctiva, the clear membrane that covers the white of the eye. Pinguecula is a growth that looks like a yellow spot or bump on the conjunctiva. It often appears on the side of the eye near your nose. A pinguecula is a deposit of protein, fat, or calcium. Pinguecula usually does not cause any symptoms. It is most common in tropical climates and there is a direct correlation with UV exposure.

Pinguecula

A pterygium is a pinkish, triangular tissue growth on the cornea of the eye. It typically starts on the cornea near the nose. It may slowly grow but rarely grows so large that the pupil is covered. Often both eyes are involved.

Pterygium

Pterygium may be associated with excessive sun or wind exposure, wearing protective sunglasses with side shields and/or wide brimmed hats and using artificial tears throughout the day may help prevent their formation or stop further growth. Surfers and other water-sport athletes should wear eye protection that blocks 100% of the UV rays from the water, as is often used by snow-sport athletes. Many of those who are at greatest risk of pterygium from work or play sun exposure do not understand the importance of protection.

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