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- Pterygium
A pterygium is a fleshy overgrowth of the conjunctiva that may affect one or both eyes.
- Eyes explained
The eye's complicated design means that an image can pass through its many layers and end up crisply focused on the retina.
- Eyes - blocked tear duct
Some babies are born with a blocked tear duct, but other events, including infection and trauma to the nose, can cause a blocked tear duct.
- Rosacea
In men, severe rosacea can cause the nose to become reddened and enlarged (rhinophyma).