Charles Ellicott Commentary Exodus 10:23

"they saw not one another, neither rose any one from his place for three days: but all the children of Israel had light in their dwellings." — Exodus 10:23 (ASV)

They did not see one another. —Hebrew, man did not see his brother. The darkness was absolute, equal to that of the darkest night.

Nor did anyone rise from his place. —(). No one left his house. Mr. Millington imagines that they all sat “glued to their seats” (Plagues of Egypt, p. 159), but this suggests over-literalism.

It is not necessary to suppose that they had no artificial light or that they ceased to move from room to room. What the writer intends to note is that all business and all contact with neighbors was suspended. No one left the house in which he was when the darkness began.

All the children of Israel had light in their dwellings. —The visitation, whatever it was, did not extend to the land of Goshen (Exodus 9:4–7; Exodus 9:26).