Custom VST orthokeratology (Wave, GOV, DreamLens, iSee)
Multiple labs
Manufacturer / labMultiple labs
Product / familyVST orthokeratology
DesignVision-Shaping Treatment reverse-geometry overnight lenses designed in third-party software (Wave, GOV/Contex, DreamLens, iSee); fully custom peripheral geometry
Corrects / indicated forMyopia, myopia control, selected hyperopia and irregular astigmatism; software-driven customisation for difficult corneas and decentration
MaterialBoston XO2 / Optimum Extreme (hyper-Dk GP)
Dk141 ×10⁻¹¹ (material)
Overall diameter10.0-11.5 mm
Optic zoneadjustable treatment-zone diameter
Centre thickness~0.20 mm
Power rangemyopia to ~-6.00 D (higher with staged treatment); limited hyperopic OK also possible
Wear scheduleovernight
ReplacementAnnually
Fitting approachDesign from corneal topography height data; iterate from empirical morning difference maps. Adjustable treatment-zone size is useful for tuning peripheral defocus in myopia management.
Umbrella entry for the custom-software ortho-K designs fitted under the FDA VST clearance; specifics vary by lab and design suite.
Verify parameters against current manufacturer documentation before fitting.