Hello,
I underwent LASIK two weeks ago and my doctor recommends using artificial tears daily including Carboxymethyl cellulose preservative-free
but I've seen two types
Carboxymethyl cellulose 0.5% (liquid drops)
and another one 1% (gel drops)
.
.
What's the difference between the two percentages? Which is better? particularly right before sleeping (that would last longer)
Thanks
Is it possible that my big eyebags is the side effect of artificial tears or is it because of my dry eyes
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