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Lens Technical Data

EnChroma Plano Lens Blank Specifications

Schematic Diagram
Base Curve 6.0
Diameter 65mm
Thickness 1.5mm
Prescription range coverage on polycarbonate lens: Single Vision: SPH -4 to +2 CYL -6 to +6
Progressives: SPH -6 to +2 CYL -4 to +4 ADD +3
Refractive Index 1.55
Weight 11.3g (MAX)
Material Polycarbonate, Acrylic in Explorer/Gamma Plano Lenses
Appearance Neutral Grey
Luminous Transmission 10% (Category 4)
UV Transmission 280nm-400nm < 0.1% (UV400)


The EnChroma lens includes all necessary functional coatings for optimum performance. It should not be combined with additional coatings as these would compromise the function.

Specifications here are valid as of December 11, 2014. Specifications are subject to change.