Cause of watery eye hard to find

DEAR DR. GOTT: I am a 65-year old female in good health, other than the type 2 diabetes I’ve had since 1992. I have used insulin since 2002, and my diabetes is in good control with an A1C of 6.5.

I have had a watery eye for four months now. Initially, I threw away two tubes of mascara, thinking they may be causing my eye to be infected. The water is clear, and there is no pain in my eye. I used allergy eyedrops and took an allergy pill with an antihistamine in it. Neither helped my eye. I visited my dentist and learned I needed some dental work done on the upper right side of my mouth. I asked if this could cause my eye to water, and he didn’t think so. I later had the dental work completed, and my eye still watered.
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