his/her eyes
Ses yeux étaient tout rouges après avoir pleuré.
Her eyes were completely red after she had been crying.
Ce couple vient d'arriver et n'en croit pas ses yeux.
This couple has just arrived and can’t believe their eyes.
— Mirage (2018)
Les larmes coulaient de ses yeux.
Tears were streaming from her eyes.
Ses yeux semblaient remplis de larmes.
Her eyes seemed to be filled with tears.
The color of her eyes?
Did you see his eyes?