Bifocal custom prescription Inzert so you can see near and far in any Sportviz core. Features Vizsure CR39 flat-top bifocal ophthalmic lenses and a hardwearing yet lightweight TR90 clear polymer frame. Inzert sits the same distance from your eyes as standard glasses for maximum field of vision with no eyestrain. Includes a jar of Sportviz fog-free wax, cleaning cloth, and hardshell case.

Supplied with FREE jar of AQUAVIZ Fog-Free Wax (to apply before each use to prevent condensation forming on prescription lenses during wear due to changes in temperature conditions).