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6. clear, refractive gel in the posterior of the eye used to maintain the eyes shape
- fovea
- aqueous humour
- vitreous humour
- retina
7. layer preventing internal reflection of light due to melanin pigment
- sclera
- retina
- choroid
- ciliary body
8. curved, transparent disk on the anterior part of the sclera which focuses light
- fovea
- cornea
- aqueous humour
- sclera
9. where the optic nerve leaves the eye so no light receptors
- sclera
- iris
- blind spot
- fovea
10. fluid that refracts light and maintains the shape of the cornea
- aqueous humour
- ciliary body
- vitreous humour
- conjunctiva
11. involuntary muscle which controls the amount of light admitted to the retina
- sclera
- iris
- ciliary muscles
- suspensory ligament
12. part of retina directly opposite optical axis of lens, containing only cone cells
- optic nerve
- blind spot
- fovea
- choroid
13. involuntary muscles which change shape of lens by pulling on suspensory ligament
- choroid
- iris
- ciliary muscles
- ciliary body
14. the thick edge of choroid layer containing blood vessels for oxygenation of muscles
- ciliary body
- retina
- ciliary muscles
- choroid
15. focuses light on the retina