Bi-focal sunreaders have a fully tinted lens. The lens is clear at the top and a small area is magnified at the base.
This is great if you don't want to take your sunreaders on and off.
Bi-focal sunreaders have a fully tinted lens. The lens is clear at the top and a small area is magnified at the base.
This is great if you don't want to take your sunreaders on and off.