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.
These floaters may appear when you move your eyes. Floaters occur when the vitreous humor of the eye liquefies and leaves small particles adrift in the field of vision. When a person develops floaters in his eye, it may be come with the appearance of white flashes, also called as photopsia.