Some new entoptic phenomena.
D000360:Afterimage / Q000502:physiology; D005133:Eye Movements; D006801:Humans; D009799:Ocular Physiological Phenomena; D010364:Pattern Recognition, Visual / Q000502:physiology; D010719:Phosphenes / Q000502:physiology*; D010783:Photometry; D011312:Pressure; D012171:Retinal Vessels / Q000502:physiology; D014785:Vision, Ocular / Q000502:physiology*