Tears in the eyes may be caused by external stimuli, or it may be related to the blockage of the tear duct, eyelid laxity, eye inflammation and so on.
1. External stimulation: Tears may appear after the patient’s eyes are stimulated by cold air and irritating odors from the outside world, and the symptoms of tearing can be relieved after the patient moves away from the source of stimulation.
2. Lacrimal duct obstruction: Lacrimal duct obstruction is the most common cause of tearing, due to inflammation, age and other factors, so that the lacrimal duct becomes narrow, or even blocked, resulting in tears can not enter the nasolacrimal duct, so that the patient can appear in the performance of tearing.
3. Eyelid laxity: due to age increase, eyelid skin will also have a certain degree of laxity, the lower eyelid ectropion, tear fluid can not enter the tear duct, so the symptoms of tearing can occur.
4. Ocular inflammation: patients with ocular inflammation such as conjunctivitis, keratitis, blepharitis, etc. may experience tearing under the stimulation of inflammation.
It is recommended that patients with frequent tearing should consult a doctor in time to assess their condition and take treatment under the guidance of a doctor.