NovaKone® custom soft lenses for Keratoconus

A custom approach to keratoconus, with the comfort of a soft lens.

Advanced design and flexible parameters help provide fitting control.

  • Central base curve designed for optical alignment over the steep central cornea
  • Variable lens center thickness to help neutralize irregular astigmatism
  • Independent, paracentral fitting curve to help ensure lens movement and physical fit

Lens Cross Section

A: Steep central base curve on posterior lens surface

Intended to match the average central K reading of the keratoconic eye.

B: Fitting curve designed like soft lens base curve

Helps ensure lens movement and fit.

C: Aspheric central optical section on anterior surface

Helps correct spherical aberration and provide a thinner lenticular flange.

D: Central lens thickness (index of thickness)

Helps manage different levels of corneal irregularity.

E: Front-surface cylinder optics

Corrects astigmatism up to -10.00D.

F: Dual Elliptical Stabilization

Aids in orientation and rotational stability.

Material hioxifilcon D
Diameters 10.0 mm to 16.0 mm
Central base curve 5.4 mm to 8.6 mm
Fitting curve 8.3 mm to 8.9 mm
Spherical powers -30.00D to +30.00D
Cylinder powers -0.50D to -10.00D
Axis 1° to 180°

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