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What causes pink bubbles on the whites of the eyes?

The elevated pink areas on the nasal sides of the whites of the eyes are named pterygia. A pterygium is a thickening and redness of the normally transparent membrane that covers the white part of the eye. This type of growth is triggered by exposure to lots of ultraviolet light in sunlight. If the thickened membrane grows onto the clear cornea in front of the iris, it will appear to be a defect in the iris. To avoid these growths while you enjoy the sunshine, always wear ultraviolet-absorbing lenses when you are outdoors during the day. When you purchase clear prescription lenses or sunglass lenses, insist upon at least 98% ultraviolet absorption.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.