There are several psychological and physiological effects that cause blindness to some visual stimulus.
Banner blindness or ad blindness, consciously or subconsciously ignoring banner-like advertisements at web pages. Change blindness, the inability to detect some changes in busy scenes. Choice blindness, a result in a perception experiment by Petter Johansson and colleagues. Color blindness, a color vision deficiency. Cortical blindness, a loss of vision caused by damage to the visual area in the brain. Flash blindness, a visual impairment following exposure to a light flash. Hysterical blindness (nowadays known as conversion disorder), the appearance of neurological symptoms without a neurological cause. Inattentional blindness or perceptual blindness, failing to notice some stimulus that is in plain sight. Motion blindness, a neuropsychological disorder causing an inability to perceive motion.
See also Blindness (disambiguation)