A: distance across center of lens = 42.6 mm (1.68 in)
B: height from top to bottom of lens = 47.7 mm (1.88 in)
ED: diagonal measurement of lens = 51 mm (2 in)
DBL: length of bridge = 30 mm (1.18 in)
HT: height of frame (including anchor bracket) = 50 mm (1.97 in)
L: length of frame = 120 mm (4.72 in)
C: diameter of suction cup = 25.4 mm (1.00 in)
Circ: circumference of lens = 148.3 mm (5.83 in)
Wt: weight of insert without lenses = 5.7 g (0.2 oz)