The eyes or the expression of the eyes; the look or emotional impression conveyed by someone's eyes.
彼女の目元が笑っていたので、すぐに気づいた。
I noticed right away because her eyes were smiling.
目元の表情だけで気持ちを読み取るのは難しい。
It's hard to read someone's feelings from their eyes alone.
写真では目元の陰影がはっきりしている。
In the photo, the shadows around the eyes are distinct.
The area around the eyes (the skin and parts surrounding the eyes such as under the eyes and eyelids).
寝不足で目元が腫れてしまった。
Lack of sleep made the area around my eyes puffy.
目元用の美容液で保湿ケアをしている。
I use an eye-area serum to moisturize the skin around my eyes.
化粧で目元を強調したメイクに挑戦した。
I tried makeup that emphasizes the eye area.