After Image Apr 2026

While afterimages are usually normal physiological occurrences, abnormally long-lasting or intense afterimages are known as . According to the Cleveland Clinic , persistent afterimages can sometimes be associated with medical conditions such as:

: Research from ScienceDirect indicates that while much of the process starts in the retina, the brain also plays a role in interpreting these lingering signals. Clinical Significance After image

: This theory explains why negative afterimages appear in complementary colors. It suggests that the visual system processes color in antagonistic pairs: red vs. cyan, green vs. magenta, and blue vs. yellow. It suggests that the visual system processes color

: The primary cause is the depletion of photopigments in the retina's cone cells during prolonged exposure to a specific color. yellow

: These retain the same colors as the original image. They typically occur after a very brief, intense exposure to light, such as a camera flash. Biological Mechanisms