either be severely or permanently impaired.

Either way, it could affect the reliability of her identification. If she was so impaired that she was falling down drunk, it can't help but damage her credibility.

If it hadn't been for Joe, a lot of the things for the visually impaired wouldn't be here.

He must've been severely disappointed to see the crowd's reaction.

So we are going to be wrung out severely for that little surprise,

You must show him, by leaving him severely alone.