Vitamin A palmitate and carbomer eye gel can reduce dry eye symptoms resulting from long-term use of prostaglandin analogues for glaucoma, according to a study.Both agents increased goblet cell ...

The new gel contains 94% water, 0.2% carbomer, "which envelops the water and lipids, trapping them like a sponge," and 1% medium-chain triglycerides without preservatives.

One eye was randomly assigned to receive the supplementary lidocaine gel, while the other eye received a carbomer gel control. Both eyes also received the 0.5 percent proparacaine anesthetic.