Carolina Tannenbaum-Baruchi of Ben Gurion University, whose parents are both deaf, teamed up with a high school robotics team from Dimona to develop the “Read My Lips” mask. Its clear “no vapors” plastic front does not fog up, allowing others to read the wearer’s lips.
https://worldisraelnews.com/israel-team-designs-coronavirus-mask-for-hearing-impaired/