WordNet sense 1 (the feeling of distress and disbelief that you have when something bad happens accidentally):

shock, stupor

WordNet sense 2 (confusion characterized by lack of clarity):

fog, haze

WordNet sense 3 (to cause someone to lose clear vision, especially from intense light):

bedazzle, dazzle

WordNet sense 4 (overcome as with astonishment or disbelief):

stun, bedaze