Oblique

Amblyopia is a potential deflection of the eye, but it can maintain monocular vision under the control of fusion reflex to force both eyes to stay in the right position without showing deflection. Once the brain fusion effect is blocked (such as When it is covered) or out of control (such as when using excessive eyesight or mental fatigue), the deviation of the eye position will be manifested. Therefore, the difference between strabismus and explicit strabismus is only in degree and not in nature.