This third eyelid is very prominent in birds, and it effectively acts like a windshield wiper to sweep away any dirt that gets in their eyes. It also helps them to keep their eyes moist, which you can ...

Background To reveal clinical findings related to metastatic conjunctival melanoma ... All tumours were described as multifocal and had a mean diameter of 12±4.4 mm. Plica and caruncular involvement ...