Keratoconus

– for patients who have been diagnosed with keratoconus.

ROSE K2 - The Rose K2 keratoconus lens design is the most widely prescribed RGP keratoconus lens in the world.  It is a multi-spherical posterior design with aberration control aspheric optics across the back and front optic zone diameters and is available in any toric lens design.

ROSE K2 ACT - The Rose K ACT is the latest design enhancement that can be applied to any of the Rose K designs. ACT (asymmetric corneal technology) enables the practitioner to specify a different posterior edge lift in a specific quadrant of the contact lens (normally inferior) to that on the rest of the posterior surface.

WOODWARD – this lens design aims for equal distribution of lens mass across the cornea. It is a tri-curve design looking for a three point touch fitting philosophy. The steeper lenses have greater edge clearance to closely match a three point touch fitting philosophy.

MCGUIRE – this lens system is a multi-curve design that aims to achieve a feather touch or mild bearing on the cone apex. There are three fitting sets in the McGuire system: nipple (8.1mm diameter, 5.5mm OZ), oval (8.6mm diameter, 6mm OZ) and globus (9.1mm diameter, 6.5mm OZ). The design has four peripheral curves and the initial base curve should be selected using the mean K reading.

SOPER – a lens system using bicurve lenses based on sagittal depth. A steeper lens is selected by maintaining the same base curve but increasing the diameter. Three fitting sets are available, mild, moderate and advanced. The peripheral curve of this system is constant. Peripheral alignment and apical clearance typify this lens design.

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