Jamieson, Fausset and Brown on Ezekiel 20:7

7. Moses gives no formal statement of idolatries practised by Israel in Egypt. But it is implied in their readiness to worship the golden calf (resembling the Egyptian ox, Apis) (Ex 32:4), which makes it likely they had worshipped such idols in Egypt. Also, in Le 17:7, "They shall no more offer their sacrifices unto devils (literally, seirim, 'he-goats,' the symbol of the false god, Pan), after whom they have gone awhoring." The call of God by Moses was as much to them to separate from idols and follow Jehovah, as it was to Pharaoh to let them go forth. Ex 6:6, 7 and Jos 24:14, expressly mention their idolatry "in Egypt." Hence the need of their being removed out of the contagion of Egyptian idolatries by the exodus.

every man--so universal was the evil.

of his eyes--It was not fear of their Egyptian masters, but their own lust of the eye that drew them to idols (Eze 6:9; 18:6).