A low cost solution for aging eyes.
These clip-on lenses will fit any sunglasses and have magnifying lenses. A simple flip-up mechanism means that when not in use. They can be flipped up, under the peak of a cap and are virtually undetectable and out of the way, until you need them.
Avail magnification: +1.0/+1.5/+2/+2.5/+3.0/+3.5/+4.0
Can't see clearly when trying knots or reading? These will clip onto your glasses, flip up when fishing, flip down for tying on your flies!!