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Notes on Closed Eye Hallucinations

... saturated green and violet colors seen in closed-eye tryptamine hallucinations are taken from subjective reports....

The Eye and Night Vision

The basic structure of the eye is shown in Figure 1. The anterior portion of the eye is essentially a lens system, made up of the cornea and crystalline lens, whose primary purpose is to focus light onto the retina. The retina contains receptor cells...

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