From the roots list again:

Webster's 1913 Dictionary

Definition: \Am`bly*o"pi*a\, Amblyopy \Am"bly*o`py\, n. [Gr. ?; ?
blunt, dim + ? eye: cf. F. amblyopie.] (Med.)
Weakness of sight, without and opacity of the cornea, or of
the interior of the eye; the first degree of amaurosis.