Intel's RealSense 3D camera supports this functionality and the microprocessor manufacturer has published a website with a list of all the devices supporting Windows Hello facial recognition.
It is important to have your eyes examined regularly. Your eyes should be tested: before age 40, every two to four years. from age 40 to age 54, every one to three years. from age 55 to 64, every one to two years. after age 65, every six to 12 months.
Also, adults who wear contact lenses should have annual eye exams, according to the AOA. If you have any doubts about how often you (or your children or parents) should have your eyes examined, ask your eye care professional for guidance.