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Future Vision: Smart Lenses to Replace Smartphones?
16 Apr
Summary
- Smart contact lenses project displays directly into the eye.
- Consumer-ready smart lenses may arrive in about ten years.
- Early versions could offer health tracking, like blood glucose monitoring.

Smart contact lenses are on the horizon, promising to revolutionize wearable technology by projecting displays directly into the user's eye. Xpanceo, a prominent startup in this field, envisions a future where these lenses could potentially replace smartphones, an "iPhone moment" for wearable tech. While a consumer-ready version might be approximately ten years away, initial deployments are expected in medical or industrial sectors.
Xpanceo's technology bypasses the eye's natural focal point limitations by projecting parallel rays that are then focused by the eye's lens, creating a sharp image. This design also solves power and brightness issues common with smart glasses, as the display is close to the eye and requires minimal power. The lenses utilize an electromagnetic harvesting antenna to charge integrated micro-batteries, alleviating the need for bulky onboard power sources.
For now, computation will be handled by a companion device, which could be a smartphone or earbuds. Xpanceo plans to showcase a working prototype by early 2027, potentially featuring health tracking tools like 24/7 blood glucose monitoring, and early detection for conditions such as glaucoma. Mass adoption, however, is anticipated to take another decade, contingent on the technology achieving widespread appeal.