Your best bet is to study meditation techniques through which you can better understand how the perception tool operate in the mind. There is the 3rd eye as it is called and there is also the imagination orb.
These two psychic vision tools can cause the visions you are having. I just released a book with detailed methods and diagrams about this. See it at:
https://www.createspace.com/Customer....do?id=3380228 Amazon.com: Meditation Pictorial: Michael Beloved: Books