The virtual assistant in iOS can do all kinds of stuff, of course. But here are the 16 things we think everyone should try at least once.
In most vertebrates and some molluscs, the eye works by allowing light to enter and project onto a light-sensitive panel of cells, known as the retina, at the rear of the eye. The cone cells (for colour) and the rod cells (for low-light contrasts) in the retina detect and convert light into neural signals for vision.
What Diseases Can Be Detected During An Eye Exam? Shakespeare once wrote that, âThe eyes are the window to the soul.â It is also true that the eyes can be considered a window to the internal workings of your body. Nowhere else on the body are we able to view actual blood vessels in action like we can when we look at the retina.