Had light in their dwellings - The sandstorm, if such were the cause, may not have extended to the district of Goshen; but the expression clearly denotes a miraculous intervention, whether accomplished or not by natural agencies.
Related Commentaries of Exodus 10:23
Exodus 10:23
23 They saw not one another, neither rose any from his place for three days: but all the children of Israel had light in their dwellings.