Can contact lenses do more than just correct sight? Perhaps extend our healthspan?
Image credit: https://www.pexels.com/photo/white-magnifying-glass-on-blue-table-5843417/
[1]https://onlinelibrary.wiley.com/doi/abs/10.1002/adhm.201900368
Creative contributions
Non-invasive measurement of glucose levels
[1]Lin YR, Hung CC, Chiu HY, et al. Noninvasive Glucose Monitoring with a Contact Lens and Smartphone. Sensors (Basel). 2018;18(10):3208. Published 2018 Sep 22. doi:10.3390/s18103208
[2]Lane JD, Krumholz DM, Sack RA, Morris C. Tear glucose dynamics in diabetes mellitus. Curr Eye Res. 2006 Nov;31(11):895-901. doi: 10.1080/02713680600976552. PMID: 17114114.

Glaucoma progression-monitoring contact lens
[1]Dunbar GE, Shen BY, Aref AA. The Sensimed Triggerfish contact lens sensor: efficacy, safety, and patient perspectives. Clin Ophthalmol. 2017;11:875-882. Published 2017 May 8. doi:10.2147/OPTH.S109708
Delivering healthspan or lifespan drugs to the eyes

[1]Kim, Joohee, Eunkyung Cha, and Jang‐Ung Park. "Recent advances in smart contact lenses." Advanced Materials Technologies 5.1 (2020): 1900728.

Contact lenses and the risk of eye infections and diseases

[1]Cheng, Kam H., et al. "Incidence of contact-lens-associated microbial keratitis and its related morbidity." The Lancet 354.9174 (1999): 181-185.
[2]Szczotka-Flynn, Loretta B., Eric Pearlman, and Mahmoud Ghannoum. "Microbial contamination of contact lenses, lens care solutions, and their accessories: a literature review." Eye & contact lens 36.2 (2010): 116.


Telescopic/zooming contact lens to treat visual impairments
[1]Eric. J. Tremblay, Igor Stamenov, R. Dirk Beer, Ashkan Arianpour, and Joseph E. Ford, "Switchable telescopic contact lens," Opt. Express 21, 15980-15986 (2013)
[2]https://onlinelibrary.wiley.com/doi/full/10.1002/adfm.201903762
Smart contact lenses with a camera to help blind people
[1]https://www.extremetech.com/extreme/180571-google-invents-smart-contact-lens-with-built-in-camera-superhuman-terminator-like-vision-here-we-come
Silicone hydrogel contact lenses as detectors of organic solvents
[1]https://ohsonline.com/Articles/2005/10/Contact-Lenses-in-a-Chemical-Environment.aspx?Page=1
[2]https://pubmed.ncbi.nlm.nih.gov/1559287/
[3]https://www.scientificamerican.com/article/do-contact-lenses-protect/