The combination of pigments and how widely they're spread and absorbed by the stroma determine whether an eye looks brown, hazel, green, gray, blue, or a variation of those colors. For example, brown ...

leading to dry eyes and tear film instability. Encourage frequent blinking and, if necessary, use preservative-free artificial tears. Consider Blue Light-Filtering Lenses: Specialized lenses with ...

Megan Cartwright is Newsweek's Deputy Entertainment Editor, based in London, U.K. Her focus is on U.S. pop culture and entertainment news stories. Megan joined Newsweek in 2022 from New York where ...