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.
Both pupils constrict to light that is shone into either eye (direct and consensual response).ï§ If the pupil reacts to light shone into either eye, it is probably not a CN III cause. Corneal reflex (V1 branch of CN V [Trigeminal] and CN VII [Facial]): ï§ Touching the cornea causes both eyes to blink.