The easiest method is by focusing too much on bright spots (i.e. TVs, Computers, Light blubs, Sun) especially when the light around the area is much darker than that source of intense light.
Other methods include physical contact to your eyes( such as punching, poking) or viruses and genetic diseases.
he was five
Yes, if the optic nerve is severed, you will lose sight in the eye connected to that nerve. This means that you will lose sight in one eye if only one optic nerve is severed, but vision in the other eye will remain unaffected.
He isn't blind - he has sight in one eye. The other one was damaged playing sport at school.
do high cholesterol affect your eye sight
Poodles have very good eye sight.
Poodles have very good eye sight.
The eye is the organ of sight
the comon eye sight for humans is the pupil
the eye is an organ of sight
they have VERY good eye sight
Your eye is the rear sight.
You must wear goggles in science experiments in case a mishap resulted in your eyes being sprayed and you eye-sight may be damaged.