Guoqiang Li, assistant professor of optometry at the University of Missouri-St. Louis, envisions a day when users of bifocals or trifocals won’t have to look down to read.
Guoqiang Li, assistant professor of optometry at the University of Missouri-St. Louis, envisions a day when users of bifocals or trifocals won’t have to look down to read.
Guoqiang Li, assistant professor of optometry at the University of Missouri-St. Louis, envisions a day when users of bifocals or trifocals won’t have to look down to read.
Guoqiang Li, assistant professor of optometry at the University of Missouri-St. Louis, envisions a day when users of bifocals or trifocals won’t have to look down to read.
A storm system visited the UMSL campus last week and left a stunning visual.