Sharp-sighted is a term used to describe someone with excellent vision. The crossword solutions for this term are LYNCEAN (7 letters), KEEN (4 letters), EAGLEEYED (9 letters), and GIMLETEYED (10 letters). LYNCEAN refers to someone with the sharp vision of an eagle, while KEEN implies a sharpness of perception or discernment. EAGLEEYED and GIMLETEYED both refer to someone with sharp vision, with the latter implying a more intense level of sharpness.