Countries of the World

Einstein was an exceptional human being – and his brain was out of the ordinary, too! A study found that his parietal lobe was 15% larger than average. That’s the region of the brain that is responsible for mathematical thought and spatial cognition.

Retinal migraines and visual migraines are very different. Retinal migraines occur in the eye, while visual migraines occur in the brain. A retinal migraine often means vision loss in one eye, sometimes accompanied by a headache. Luckily, when the migraine fades, the vision returns to normal.

Glasses correct our vision by bending the light that enters our eyes. Most people have eyes with different needs; each eye requires a different prescription. The perfect glasses work by focusing the image onto the retina, not only allowing you to see more, but by reducing eye strain as well.