<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
What causes teary eyes?
<|assistant|>
There are several possible causes of teary eyes, including allergies, dry eyes, irritants, infections, eyelid abnormalities, stress, and medications. It could also be due to an underlying medical condition such as conjunctivitis, neurotisation, orbital inflammation, or glaucoma.