I use these with the foam kit to create higher moisture around eyes, and it works, using way fewer eye drops. :) See my other review on Bolle, the best glasses for creating perfect seal, with some silicone earplug mack's earplugs putty, if needed to be ultra tight, etc. Disinfect glasses with uV lamp too and 70 percent alcohol pads. :) It helps to drive at night, as it reduces 30% of blue light. Blue light can damage retina from headlights of incoming traffic on opposite lane. Great dor day time, sunset, sunrise and overcast days too. Blocks UV too. It's very clear, except the top, but more mirror like than the Bolle Clear or Bolle HD, so people will see your eyes less.