fresco : Ontolology (existence) and epistemology (knowledge) are inseparable.
No, reality and perception are independent or mutually exclusive of each other. One's consciousness has no connection to another's existence. One's awareness is contingent on the ability of their five senses, the totality of the conscious state of that individual. Without one's five senses, they are in a world of their own consciousness, having no connection to reality.
fresco, As much as I want you to understand, I can not do your thinking for you.
That is why, a self-righteous sanctimonious bible-thumping sociopathic tyrant criminal, that claims "come follow me, I can save you from yourself", is nothing more than a head banging Jew.