Before revision: Signs and symptoms Visual field-right superior quadrantanopia Lesions of right temporal lobe (meyer's Loop) of the optic radiation on one side produces a loss of the upper, outer quadrant of vision on the same sidein both eyes , known as homonymous superior quadrantanopia or superior quadrantic hemianopia.
After revision: Signs and symptoms Visual field-right superior quadrantanopia Lesions of right temporal lobe (meyer's Loop) of the optic radiation on one side produces a loss of the upper, outer quadrant of vision on the contralateral side , known as homonymous superior quadrantanopia or superior quadrantic hemianopia.