Free Online Tools for Eyes and Lenses

Free tools to help you understand your eyes and choose the right lenses. They work on your phone, tablet or computer.

Tinted Lens Try-On

Try sun tints, gradients and light-reactive lenses on your own glasses.

Preview coloured contact lens shades on your own eyes.

See how progressive, office and reading lenses compare.

See how thick and heavy your lenses would be in different lens materials and frame sizes.

See what axial length is, why it matters, and how myopia control glasses help.

See why headlights and streetlights dazzle more at night, and how lenses for driving help.

Find the right lens colour, polarised lenses and frames for your sport.

Answer six quick questions to see whether dry eye may be playing a part.

Have a question about your results? Contact us or book an appointment, and our optometrists will go through them with you.