1970c Polarised Yellow Clip-on Driving Glasses  for metal or Plastic Spectacles.

Closevision 1970c Polarised Clip-on Driving Glasses by Montana Swiss Designs. Featuring a Classic shape with UV400 Polarised protection and the flip-up facility.  These clip-ons are for both metal and plastic spectacle frames. Designed with a Medium 54mm lens width and 15mm bridge and a new Slim clip-on functionality.Yellow lenses vastly increase contrast and can improve visual clarity while driving in daytime or dusk. The clip-on converts your own prescription glasses into high contrasting yellow glasses, and the flip clip ensures they are easy to fit and remove. The flip-up facility is a useful and quick way to add and remove.

Supplied in a quality hard keeping case.