HOYA Free-Form™ surfacing achieves optical results unmatched by any other lens manufacturer. Conventional lens designs are optimized for only one prescription within each base curve. HOYA Free-Form surfacing technology applies both aspheric and atoric curves to the back side of the lens design to optimize all prescriptions within each base curve.
HOYA Free-Form technology:- Optimizes all prescriptions within each base curve
- Uniquely designs lenses according to the ordered prescription and frame measurement
- Enhances vision acuity
- Provides much wider fields of clear vision at all distances