The phrase 'The Eyes Have It' is a popular idiom that refers to the importance of vision and the power of SIGHT. The crossword solutions for this phrase are LASH (4 letters), SIGHT (5 letters), UVEA (4 letters), MASCARA (7 letters), IRIS (4 letters), and PUPIL (5 letters). LASH is a term for the curved hairs that grow around the eyelids, while SIGHT is the sense of vision. UVEA is the middle layer of the eye, MASCARA is a cosmetic product used to darken and thicken the eyelashes, IRIS is the colored part of the eye, and PUPIL is the black center of the eye. Together, these words represent the anatomy and importance of the eyes.