Symptoms of heart palpitations may include a passing sensation of a pounding, rapid, fluttering, or skipped heartbeat. These sensations are usually felt in the chest but may also be felt in the neck and/or the throat. Generally, there are 2 broad types of palpitations.
Flashes of light that appear as jagged lines or heat waves in both eyes, often lasting 10-20 minutes, are different. They are usually caused by migraine, a spasm of blood vessels in the brain.
They may continue for several months. Flashes can occur when the gel in your eye becomes more liquid and âtugsâ on the retina or may occur if you receive a hit in the eye. However, constant flashes may indicate a retinal tear or detachment and may be accompanied by a shadow at the edge of your vision.