Hemiaechromyoty is a condition in which a person has distorted color perception. This can be caused by a variety of factors, including genetic mutations, eye injuries, or diseases of the nervous system. Hemiachromatapia can lead to difficulty performing various tasks such as reading
Hemiachromatic achromotopia (hemiachromasia; ancient Greek ἡμί- - “semi-” and ὀψία - “vision”) is a genetically heterogeneous hereditary or congenital optical form of color vision pathology, characterized by a decrease in the color sensitivity of half of the retina (but not over its entire area) , due to damage to cones of only one color type. According to the most common theory, the development of hemiachromacy arises from the inability to recognize one (in the case of monohemiachy) or two or more different shades of red when mixed to form chromatic colors, even if it is reduced. In other cases, it is more likely to occur