Buying Glasses Help - Thinner / Flatter Lenses

Thinner / Flatter
These lenses are made from a special material using a optimised lens shape to produce a finished lens which is typically 30% thinner than a standard lens of the same prescription. Includes an anti-reflection, scratch-resistant coating as standard. Typical Index Range: 1.56-1.6 (depending on prescription)

Superthin
This lens combines the best aspheric design and shape optimisation, together with the latest lens materials to produce a lens which is typically 45% thinner than a standard lens of the same prescription. Highly recommended for glasses with prescriptions over +/-4.00D. Includes an anti-reflection, scratch-resistant coating as standard. Typical Index Range: 1.6-1.67 (depending on prescription)