(Greek > Latin: passive, unworkable, slow; a-, "without, not" + ergon, "work")
2. Amblyopia due to long disuse of the eye.
In amblyopia, the brain favors one eye over the other. The other eye is ignored. It is not adequately stimulated and the visual brain cells do not mature normally. Amblyopia is the most common cause of monocular blindness, partial, or complete blindness in one eye.