Many people use lenses in order to experience different eye color & also instead of glasses and etc.
It is important to bring lenses out of the eye ,daily otherwise side effects happen like dry eye disease.
So these lenses can be useful.
Is it possible?
I think its doable if you design biodegradable and bio compatible materials with the same function and characteristics of currently available contact lenses. However, the question is why is it important to do this? Is it gonna be useful and applicable?
As biodegradable sutures have been used in surgical fields for a long time, I think it is possible to create lenses that can be absorbed. But if you are referring to create contact lens for optical correction that may not work as the optics won't work that way. But if you are thinking to create absorbable lenses for drug delivery inside the eye then it might be a good idea.
Contact lenses have optical surfaces. Their surface should be very fine and smooth. If you use a degradable material then the surface of lens changes continuously and its smoothness disappear soon. Theoretically it is possible, but as most of lenses are used for refractive correction, it is useless. Only for corneal ulcers or other ocular surface disorders such bandage lenses can be used. There was degradable collagen bandage lenses for these purposes. They may still be present.
For therapeutic purpose, why not?
Same principle as biodegradable materials.
Site and desgin: as that of the ICL (different material and different purpose)
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