Did you know that that the blood vessels in your eyes can tell a lot about your brain functions? It is commonly known that unhealthy lifestyle such as improper diet, excessive alcohol consumption, lack of physical activity etc. are the main factors which contribute to heart attack and stroke.
Therefore, if you notice that your or the eyes of your family or friends have swollen or dilated blood vessels, you should consult your doctor since this can be a symptom of stroke or heart attack.
Also, it is recommended that you visit an ophthalmologist and do an eye check every two years.