Pretty much equal: There are a variety of over the counter preservative free lubricating artificial tears available and they all work relatively well. Different brands may be more or less effective in an individual patient. Refresh optive, Celluvisc, Systane and Blink are all high quality preservative free brands.
Answered 9/28/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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