Asahi Lite Japan
Hyper Index 1.74
Ultra high index organic lens material for super thin lenses. Strong prescription wearers no longer have to live with thick and heavy lenses. Recommended especially for higher prescriptions.
43% thinner and 32% lighter than organic 1.50 material.
Aspheric lenses are not only thinner but flatter than a standard spherical lens. This reduces magnification of your eyes to anyone who looks at you, and of course, the lenses are lighter as a result.