Respected doctor,Grandma is 88 bedridden.cataract surgery done on both eyes 10 years back..Blood sugar,bp under control.Having sticky eyes with increased colourless mucus depositing at corner of eyes for past 5 months..She used to sleep a lot during day time also..It doesn't go away after using OTC genticin eye drop for a week..There is no redness of the eye or fever..only increased mucus...What drops to use,how long to use?please zoom the picture for better view..