21.   The device could be helpful to people with severe visual impairment as well as a hearing problem.

22.   The U.S. middle-distance runner Marla Runyon has earned respect with her success on the track despite a visual impairment that has left her legally blind.

23.   It is the most common cause of visual impairment in children, with symptoms including crossed eyes, farsightedness and nearsightedness.

24.   On Tuesday, Zachary accompanied his parents and several other Rams players to the Delta Gamma Center for children with visual impairments.

25.   Vigo suffered paralysis of the left side as well as visual impairment in both eyes.