The lighting varies from stadium to stadium. Especially because he’s a returner, Sheed may well have had difficulty in locating:fielding the ball, so he wisely adjusted accordingly.
Those face shields on skill players have always bothered me.
On one hand, particularly for backs, the face shield can mask the defense where the runner is seeing the hole developing. On the other, the subtle looks between pass catchers and the QB have to be degraded.
Kamara seems to have no issues. So, maybe I'm wrong.