Lens Power Thickness Estimation Tool

• Free online tool to estimate lens thickness for myopia and hyperopia prescriptions
• Select lens type, diopter, refractive index and diameter to instantly estimate center, edge and maximum thickness, with a thickness evaluation, cross-section visualization and refractive-index comparison to help you choose lenses wisely

1. Open the tool page — no download or installation needed
2. Pick myopia or hyperopia, drag the diopter slider or use a quick preset, then set the refractive index, diameter, base thickness and astigmatism
3. Results (center/edge/max thickness, evaluation, cross-section and comparison table) update live as you adjust any parameter; click "Reset" to restore defaults

• This tool is completely free and requires no sign-up
• Everything runs locally in your browser — your data is never uploaded or stored

Free online lens power thickness estimation tool supporting myopia and hyperopia lens thickness estimation. Input diopter, refractive index, lens diameter and other parameters to accurately estimate center thickness and edge thickness, with thickness evaluation, cross-section visualization and refractive index comparison analysis.

Open the tool page — no download or installation needed Pick myopia or hyperopia, drag the diopter slider or use a quick preset, then set the refractive index, diameter, base thickness and astigmatism Results (center/edge/max thickness, evaluation, cross-section and comparison table) update live as you adjust any parameter; click "Reset" to restore defaults

This tool is completely free and requires no sign-up Everything runs locally in your browser — your data is never uploaded or stored

Yes, Lens Power Thickness Estimation Tool is completely free. No download or installation required — it runs right in your browser.