In 2007, researchers at the University of CaliforniaâDavis determined that our Solar System was fully formed at 4.568 billion years ago. They did this by determining the age of stony materials from the asteroid belt.
When to see a doctor. See your doctor immediately if you experience the signs and symptoms of migraine with aura, such as temporary vision loss or floating spots or zigzag lines in your field of vision. Your doctor will need to rule out more-serious conditions, such as a stroke or retinal tear.
Fixed Pupil and Dilated Pupil are known as Mydriasis. It is due to the result of an excitation of the Iris that causes an opening of Pupilâs Aperture. Dilated Pupil is very common in children. There can be different causes of Dilated Pupils but Neurological problems are the main cause of this disease.