![]() ![]() Getting hit in the eye can also cause sparks or flashes of light because it bumps the retina, which becomes stimulated and sends light signals to the brain. A knock to this area can result in the brain sending out electrical signals that resemble light. The back of the brain contains the occipital lobe, which is the part of the brain that processes visual information. ![]() ![]() The following are the most common causes of disruptions in the brain or retina that could lead to a person seeing stars: A blow to the headĬartoons have portrayed this phenomenon - where impact to the head causes a person to see stars - for many years. On the other hand, bright spots or patches that appear and stay in place for a longer period may be due to another condition. People sometimes describe these temporary bursts of light as sparkles, streaks, or flashes, which appear and fade very quickly. In addition, if something disrupts the electrical activity in the brain, it may send false signals, making a person think that they see stars. The brain interprets these signals as light, even if no external light source exists. A special gel called the vitreous humor sits in front of the retina to protect it.Įither the retina becoming inflamed or the vitreous gel moving around or shrinking can stimulate the retina, causing it to send signals to the brain. This part of the eye sees light, but it does not see colors or shapes. The retina is a lining of cells that sits at the back of the eye and sends messages to the brain when it detects light. Share on Pinterest Catherine MacBride/StocksyĪ person typically sees stars, sparkles, or flashes of light because of a disturbance in the retina or brain. ![]()
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