Apple Glass, AR glasses that the company is rumored to be working on, may come with lenses that adjust to correct users' visual defects. According to a patent granted to Apple, multiple electrodes are used to adjust the physical properties of liquid crystal lenses, allowing the lenses to mimic prescription lenses.
https://www.notebookcheck.net/Apple-s-AR-glasses-may-come-with-adjustable-lenses-to-deliver-image-correction-similar-to-prescription-lenses.592090.0.html