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Carries impulses between the eye and the brain: Sclera: Tough white outer layer of the eye - it helps protect the eye from injury
Carries impulses between the eye and the brain: Sclera: Tough white outer layer of the eye. It helps protect the eye from injury
Inside the retina, there are millions of special sense receptors called rods and cones. The rods see the shapes of things, picking out black, white and shades of grey, and the cones see the ...
Jun 1, 2008 · In developing neurons the actin cytoskeleton has a key role in neurite formation, extension and branching, as well as in synaptogenesis. In mature neurons, actin is the most prominent...
- Lorenzo A. Cingolani, Yukiko Goda
- 2008
- Choroid. A layer with blood vessels that lines the back of the eye and is between the retina (the inner light-sensitive layer that acts like film) and the sclera (the outer white part of the eyeball).
- Ciliary Body. The muscle structure behind the iris, which focuses the lens.
- Cornea. The very front of the eye that is clear to help focus light into the eye. Corrective laser surgery reshapes the cornea, changing the focus to increase sharpness and/or clarity.
- Fovea. The center of the macula which provides the sharp vision.
The sclera, [note 1] also known as the white of the eye or, in older literature, as the tunica albuginea oculi, is the opaque, fibrous, protective outer layer of the eye containing mainly collagen and some crucial elastic fiber.
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Other structures of the eye include: conjunctiva - a clear membrane that covers the white of the eye and the inside of the eyelids; it lubricates the eye and provides protection from external irritants; The ciliary muscle - a ring of muscle that contracts and relaxes to change the shape of the lens
