Buy lenses smarter, not from us.
Brand-neutral tools to decode your prescription, find the cheapest retailer for your exact SKU, and compare lenses before you order.
Glasses → contacts converter
Vertex-distance compensation and spherical-equivalent rounding, with plain-English caveats. Talk to your optometrist before ordering — this is a guide, not a prescription.
Open the calculator →
Tool 01
Prescription decoder
Paste an Rx and get a plain-English explanation of every parameter.
Decode Rx
Tool 02
Price finder
Cheapest retailer for your exact brand and prescription, refreshed daily.
Find prices
Tool 03
Brand comparator
Side-by-side spec sheet for any two SKUs, sourced from the manufacturer.
Compare brands208
SKUs tracked
11
Retailers compared
Daily
Price refresh
$0
We never sell lenses