| Oct 16, 2025 |
MXene-based wearable contact lensesMXene-based smart contact lenses could transform eye care by combining real-time health monitoring, therapy, and comfort in one device.(Nanowerk News) Smart contact lenses are moving from science fiction to reality, promising to change how we monitor and treat eye health. A recent scientific review (Nano-Micro Letters, "MXene-Based Wearable Contact Lenses: Integrating Smart Technology into Vision Care") examines how a new class of materials known as >MXenes—ultrathin layers of metal carbides—could make contact lenses far more than just vision aids. |
| These lenses could track health markers in real time, deliver therapy directly to the eye, and even prevent infections. “MXene-based smart contact lenses bring together biosensing, treatment, and comfort in a single device,” the authors wrote. |
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| Future perspectives of MXene-based wearable smart contact lenses. (Image: Reprinted from DOI:10.1007/s40820-025-01863-5, CC BY) (click on image to enlarge) |
| MXene-coated lenses can monitor intraocular pressure, glucose levels, and inflammation without invasive procedures. They could also provide antimicrobial protection and photothermal therapy, which uses light to generate heat for targeted treatments. Because MXenes are highly conductive, transparent, and flexible, they can be built directly into the lens material, allowing continuous sensing without affecting vision or comfort. |
| Researchers are exploring ways to embed MXenes such as Ti₃C₂Tx into lens materials for strain sensing and optical clarity. Some prototypes use self-powered systems that harvest energy from blinking or eye movement, removing the need for batteries. MXene coatings may also reduce inflammation and bacterial buildup, speeding recovery after eye surgery. |
| Early experiments show the technology’s sensitivity to changes in eye pressure—critical for conditions like glaucoma. With wireless connections and AI integration, these lenses could send real-time data to smartphones, helping users and doctors monitor eye health continuously. |
| Challenges remain, including ensuring long-term stability, clear vision, and safe large-scale production. Researchers are now developing fluorine-free MXenes and refining surface treatments to improve safety and performance before clinical testing begins. |
| If successful, MXene-based lenses could redefine digital eye care by merging diagnostics, therapy, and comfort into one smart, wearable platform. |
| Source: Shanghai Jiao Tong University Journal Center (Note: Content may be edited for style and length) |
