Diapositiva PPT
Image enhancement:
- Cornea: Transparent surface.
- Lens: Focuses the light to the retina surface to perform proper focus of near and distant objects.
- Iris: Acts as a diaphragm to control the amount of light entering the eye.
Eye shape:
- Cornea: Transparent surface.
- Sclera: Outer cover composed of a fibrous coat that surrounds the choroid.
- Choroid: a layer of blood capillaries.
- Retina: layer inside the choroid composed of two types of receptors (rods and cones) and a netword of nerves.
- Optic nerve: Retinal nerves leave the eye to the brain trough the optic nerve bundle.