Chronic pain: Pain (an unpleasant sense of discomfort) that persists or progresses over a long period of time. In contrast to acute pain that arises suddenly in response to a specific injury and is usually treatable, chronic pain persists over time and is often resistant to medical treatments.
In some children lazy eye is caused by a combination of strabismus and refractive problems. Deprivation. Any problem with one eye â such as a cloudy area in the lens (cataract) â can deprive a child of clear vision in that eye. Deprivation amblyopia in infancy requires urgent treatment to prevent permanent vision loss.
Eyeglasses or contact lenses can't fully correct the reduced vision caused by lazy eye. Astigmatism. A vision condition that causes blurred vision due either to the irregular shape of the cornea (the clear front cover of the eye) or sometimes the curvature of the lens inside the eye. Blepharitis. An inflammation of the eyelids and eyelashes causing red, irritated, itchy eyelids and dandruff-like scales on eyelashes.