Tears in the right eye and no tears in the left eye

about the right eye tears, left eye does not flow. To consider the following reasons. First is the disease of lacrimal passage. Abnormal position of lacrimal punctum, lacrimal punctum small, lacrimal duct stenosis and obstruction will cause symptoms of tears. To go to the hospital for lacrimal irrigation and probing, to find out which part of the lesion, give relevant treatment. Corneal foreign body, conjunctival sac foreign body, trichiasis, conjunctival stones will cause eye irritation symptoms, tears, foreign body sensation, also need to go to the hospital to find an ophthalmologist under the slit lamp examination. Find out the cause, according to the cause of the relevant treatment and treatment. There is also a keratitis, conjunctivitis, will also cause eye irritation, causing tears, also need to go to the hospital to find an ophthalmologist clear diagnosis, symptomatic treatment.