Maufactured: from saline: salt water maufactured in your body. Unless you are using eyedrops or have dry eyes-tears are uniform.
Answered 5/19/2014
4.1k views
4 doctors weighed in across 2 answers
5 doctors weighed in across 2 answers
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question