- Structure of the Eye
- Conjunctiva is first layer light hits
- Cornea – transparent thick sheet of tissue, anterior 1/6th.
- Anterior chamber – space filled with aqueous humour, which provides pressure to maintain shape of eyeball.
- Pupil is hole made by iris, which determines eye color
- Lens bends the light so it goes to back of eyeball.
- Suspensory ligaments, attached to a ciliary muscle. These two things together form the ciliary body, what secrets the aqueous humor.
- Posterior chamber Is area behind the ciliary muscle, also filled with aqueous humor.
- Vitreous chamber – filled with vitreous humour, jelly-like substance to provide pressure to eyeball.
- Retina is filled with photoreceptors.
- Macula – special part of retina rich in cones.
- Fovea – completely covered in cones, no rods.
- Choroid – pigmented black in humans, a network of blood vessels. Bc black all light is reflected.
- Sclera – whites of the eye, thick fibrous tissue that covers posterior 5/6th of eyeball. Attachment point for muscles.
-
Add a note