Prescription guides

Each guide answers one question using manufacturers' and labs' own published figures, and says plainly where those figures conflict or are missing. Last checked 2026-10-17.

• Ray-Ban Meta prescription lenses, every generationOfficial ranges for every generation, how to order, and which labs make lenses for each.
• What's the maximum prescription for Ray-Ban Meta?Every official limit side by side, what "total power" means, and what to do if you are over.
• Smart glasses for astigmatism: which ones take your cylinderPublished cylinder limits by model and lab, and why focus dials cannot fix astigmatism.
• Smart glasses for high prescriptionsWhich models and labs publish support beyond −6.00, and what to check on lens index.
• Can you get progressive lenses in smart glasses?Which brands offer progressives officially and which labs publish progressive support.

Looking for a specific frame? Prescription by model compares labs for each one. To test your own numbers, use the Rx checker.