Holding one's gaze still leads very rapidly to intense visual hallucinations. Just as the mind hallucinates the details in our blind spot, when you gaze fixedly

Holding one's gaze still leads very rapidly to intense visual hallucinations. Just as the mind hallucinates the details in our blind spot, when you gaze fixedly long enough, the entire visual field begins to go - and in the process, becomes a recursive game of visual hallucination telephone. A clarifying question - are you saying the experience itself that you described was unpleasant, but that afterwards it felt amazing? Was it unpleasant due to the nature of the time dilation?