Vision.
sclera
See and LOOK! Looking!!! Look, see, whatever else the eye can do, those are the functions of the eye
to see with
The two main functions of the orbit are to protect and support the eye, as well as to provide a bony socket for the eye to sit in and allow for movement of the eye.
A pig's eye functions the same way as a human's eye. The eye can see directly and peripherally. The eye can see in color as well.
To see.
it is designed to move the eye.
The eye in general is to help one see. This case applies for a pig. The pig's eye functions the same as a human's eye.
The Lens is the part of the eye that bends light rays .
If you have photographic memory then your eye functions like a camera in a way
While an eye exam can be performed by almost anyone, it should be performed by a licensed Opthamologist. Some States allow simple Opticians to perform many of the functions of an eye exam but are not fully qualified to handle more serious vision problems. http://www.optical.com
They are both parts of the eye. The macula provides the clearest vision and the fovea centralis contains the cones of the eye.