A little-known truth about vision
A commonly held myth - even amongst eye care professionals believe it or not - is that if one eye is bad, and the other eye is good, the good eye will be ‘strained’ and ‘overworked’. Although a perfectly logical thing to assume, it is not strictly true. Why is this the case? The eyes don't see - the brain sees.
The eyes are an extension of the brain. Light captured by the eyes is transmitted through the optic nerve (think of it as an ultra-HD video cable) which sends the signals to the visual cortex all the way at the back of the head. Here, these signals are interpreted and transmitted to the conscious mind. Click the image to continue reading.