Better lubricant for eyes
Hi, I have about 10-11 hours of screen exposure. I want to ask which of the following eye lubricant would be better for me for everyday use - 1) "Refresh Liquigel" which contains 1% Carboxymethylcellulose. But it also contains preservative - oxychloro complex 2) "Genteal" eye drops which contains Hydroxypropylmethylcellulose but thats only 0.3%. Is 0.3% of this medicine comparable with 1% of 1st medicine and which one is better? Thanks