Obesity is now hitting critical levels, and affecting every branch of medicine. The Center of Disease control (CDC) now reports obesity affects 4 out of 10 people. Furthermore, 3 out of 10 people are considered overweight, just shy of obese. The effect on eyes is greatest on the small blood vessels of the eye, which can cause bleeding which leads to blindness. This is mostly in association with systemic diabetes or hypertension in which obesity is a leading factor. Obesity has a very real...

We all remember the acronym ROYGBIV to help us remember the colors of the rainbow..........red, orange, yellow, green, blue, indigo, and violet. We are all very clear that there are seven colors in our spectrum on the rainbow, but what we may not be very clear on is the interpretation of those colors on an individual basis.

What gives us the ability to perceive color? Is it the eye or is it the brain? What if the same color looks like two different colors to two different people? Science...