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Parts of the Eye
Gr.8 Science
Part/ Term | Description | Functions |
---|---|---|
Cornea | The surface of our eyes. Colourless/Transparent | Helps focus light on the retina. |
Pupil | The black spot, hole, in the middle of our eyes. | Makes the pupil large in dim light, and small when light is bright. |
Iris | The colour in our eyes.(e.g. Brown, Blue, Green, Grey) | Light passes through the hole of an Iris to reach the retina. |
Sclera | The white of our eyes. | The tough cover of the eyeball which forms the white of the eye. |
Lens | Are like manmade lens.Behind the Iris. | Also helps focus light on the retina, like the cornea. |
Ciliary Muscles | Muscles that connect to our lens. | Helps control the thickness of the lens to adjust for near and far objects. |
Retina | Near the back of the eye. | The area where an image is produced and reverted in to nerve signals. |
Optic Nerve | The nerve that connects to the brain. | Carries nerve signals to the brain. |
Aqueous Body | Water like substance. Fluid. | Fluid in the front part of the eye/ also like cornea. |
Vitreous Body | The heart of the eye | Maintains the shape of the eye Gelatinous matter. |
Chronoid | Blood vessel-like. | Supplies the retina with Blood. |
Blind Spot/ Optic Disc Area | The back of your eye | Where the optic nerve leaves the eye. |