Horizontal inclination

For the precise measurement of sports eyewear lenses it is essential to use a specially designed tool.
We can provide you with this high quality precision instrument at very reasonable cost which will later be refunded against the value of Hellaplast Single Vision SPORTS lens orders.

Example:

Change of dioptric power in ratio changing horizontal inclination.

Horizontal inclination, frame not in wear
Horizontal inclination, with a small head, frame in wear
Horizontal inclination, with a large head, frame in wear

Left: Horizontal inclination, frame not in wear 29°
Middle: Horizontal inclination, with a small head, frame in wear 26°
Right: Horizontal inclination, with a large head, frame in wear 19°

Tolerance for measurement of the horizontal inclination: 2.5°
Tolerance for measurement of the horizontal inclination: 2.5°