People usually associate migraine with chronic headache. Yes, headache can be a symptom of migraine but approximately 3% people among the migraine patients show migraine symptoms without headache. This is a type of migraine in which the patient possesses all the other symptoms except headache. It is also known as ocular migraine, migraine equivalents, ophthalmic migraine, silent migraine, etc. It is sometimes dangerous as the symptoms are not noticeable in the initial stage.