Contact lenses

By 1887, Fick had made lenses that could fit directly over the iris of the eye, but glass in direct contact with the eye was uncomfortable and dangerous. Plastic contact lenses were developed, offering a less conspicuous way to correct vision.
 Adolf Eugen Fick Germany 1954 Contact lenses

By 1887, Fick had made lenses that could fit directly over the iris of the eye, but glass in direct contact with the eye was uncomfortable and dangerous. Plastic contact lenses were developed, offering a less conspicuous way to correct vision.