elle a des yeux ...
(Onyx is a French word as well, but as the stone has no set colour, this is not used to describe eyes in French)
onyx
Round eyes are "des yeux ronds" in French.
The word for "eye" in French is l'œil. The plural for "eyes" is les yeux.
English to french an eye = un oeil eyes = des yeux
pour les yeux
"and brown eyes" = "et des yeux marrons"
"The Eyes" literally translated is "les yeux" If that is what you're looking for.
J'aime tes yeux
tu es mes yeux
"les yeux sur moi"
j'ai deux yeux
Yeux de renard.