I tried attaching it to my glasses once, but it didn't fit well with the size of my glasses, so I'm selling it. Suppresses the glare of oncoming headlights Ensures the brightness needed for driving - Brand: Nightgrass - Type: Clip-on type - Function: LED light source - Effect: Ensures visibility brightness - Vision support function: Vision cover function Manufacturer's suggested retail price: 9900 yen (tax included) Thank you for viewing. No stains, tears, or odors.