Some say they are vision challenged, some say no. Nobody has offered definitive proof one way or the other yet.
Blue eyed people can see as well as brown eyes. Albinism affects vision. We just are not sure what we are dealing with.
However to be honest, shrimp could be blind like cave shrimp, and still have no problems getting around. Their safety, sense of smell and cane like antennae make seeing not that necessary to do well and thrive in our home environments.