In the novel, which I thought was Ubik, a party of characters has an accident, and progress through the subjective worlds of each in turn. One of them is a bible-thumping believer, and the staring eye-in-the-sky (a primitive monotheistic idea of 'God') occurs in this person's 'world'.
If anyone is interested, I'm trying to relocate this scene because I'm writing an analysis of Stanisław Lem's Solaris. One section will contrast the absolute Other as a punctum or point in the universe — for example, Jorge Luis Borges's "The Aleph", with scenarios where this Other is 'in your face' — 'half the sky' or 'half the visible world'.
Does anyone know what this is?