Rose K2 (keratoconus corneal GP)
Menicon / Blanchard (CooperVision)
Manufacturer / labMenicon / Blanchard (CooperVision)
Product / familyRose K2
DesignSmall-diameter keratoconus corneal GP with a computer-optimized progressively steepening periphery
Corrects / indicated forNipple and oval keratoconus; variants: Rose K2 NC (nipple cone), Rose K2 IC (irregular cornea / PMD / post-graft), Rose K2 XL (11.1-14.6 mm semi-scleral), Rose K2 Post Graft
MaterialBoston EO / XO / XO2 / Optimum Extreme
Dk100 ×10⁻¹¹ (material)
Overall diameter7.9-9.6 mm
Optic zoneauto-adjusts with BC
Centre thickness~0.10-0.16 mm
Power range+25.00 to -25.00
Cylindertoric periphery / bitoric options
Add powerRose K2 NV multifocal option
Wear scheduledaily wear
ReplacementEvery 1-2 years
Fitting approachDiagnostic set fit to a three-point-touch / light apical-clearance pattern; adjust edge lift and BC independently. Steepen BC ~0.1 mm per 5-6 D of K over 48 D as a starting point.
The most widely fitted branded keratoconus corneal GP; the family covers most cone morphologies before moving to scleral.
Verify parameters against current manufacturer documentation before fitting.