This is your secret to success.  Working in front of a computer 24/7, means experiencing visual discomfort late afternoon with your contact lenses.

Your secret weapon is the CORRECT type of lubrication – be it to supplement a shortage of the aqueous (water) part of tear layer, or the mucin (oil) part that prevents excessive evaporation or lack of adherence of your tear layer. 

This translates into better comfort and visual stability during contact lens wear.  The correct eye drop will even improve acuity in low light conditions.