Contacts to Glasses Prescription
Convert your contact lens prescription back to eyeglasses values. Applies reverse vertex distance adjustment for accurate spectacle lens power.
Loading converter...Loading converter...
Privacy
Your files are processed entirely in your browser and never uploaded to our servers.
How to Use
- Enter your contact lens prescription (sphere, cylinder, axis for each eye).
- Optionally adjust the vertex distance (default 12mm).
- View your estimated glasses prescription.
Frequently Asked Questions
When would I need to convert contacts to glasses?
If you only have a contact lens prescription and need to order glasses, this tool estimates the correct glasses prescription.
Does this account for astigmatism?
Yes. The converter adjusts both sphere and cylinder values using the vertex distance formula.
Related Tools
Glasses to Contacts Prescription
Convert your eyeglasses prescription to contact lens values using vertex distance adjustment. Accounts for sphere and cylinder power changes at different distances.
Eye Prescription to 20/20 Scale
Convert your eye prescription (diopter sphere power) to the approximate Snellen 20/xx equivalent. See what your uncorrected vision would be on the familiar 20/20 scale.