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Whenever I'm in a deeply relaxed/light trance state, I've begun to see very bright sparks of light around me. They look like grains of rice, stretching and dissapearing into each other. If left undisturbed, I can see them become brighter (white) and form faint patterns. Anything to this, or do I just have a brain tumour? (IMG:style_emoticons/default/wacko.gif)

Thanks for any reply!

I believe what you are seeing is your subconciouss trying to communicate with you through the use of visions. This happens to me alot but it is just flashes of light and then it is dark again. Next time you meditate and see the lights try to focus you thoughts on a certain object like a chair and see if you can see it as if it is right in front of you. (IMG:style_emoticons/default/confused012.gif)