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.
Less common conditions that can cause a lazy eye include: 1  an eye disease such as a sore on the transparent layer at the front of the eye (corneal ulcer) or a scar. 2  childhood cataracts â clouding of the lens of the eye that's present from birth. 3  a droopy eyelid (ptosis)
Lazy eye: Introduction. Lazy eye: Dimness in vision in one eye without apparent physical defect or disease. See detailed information below for a list of 24 causes of Lazy eye, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Lazy eye: Causes | Symptom Checker Â».