Refresh tears is carboxymethyl cellulose 0.5% And flogel is 1% In dry eyes due to computer you need atleast of carboxymethyl cellulose 1% 4 times a day and if not available carboxymethyl cellulose  0.5% 6 times per day 1 drop at a time. Also there is one Refresh liquigel which is carboxymethyl cellulose 1% Besides you also have to follow 20 20 20 rule, that is staying away from screen after 20 min of computer use for 20 seconds and see 20 feet far if possible and blink as many times as possible.

You can go ahead and use Refresh tears or Refresh liquigel eyedrop 4 times a day.