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The Human Eye
- RETINA
- Contains receptor cells
sensitive to light
- Contains receptor cells
sensitive to light
- CORNEA
- Refracts the light rays
as they enter the eye
- Cannot change its shape
- Refracts the light rays
as they enter the eye
- SUSPENSORY LIGAMENT
- Strong fibres that hold the lens in
position
- Strong fibres that hold the lens in
position
- LENS
- Responsible for fine adjustments to
focusing
- Responsible for fine adjustments to
focusing
- CILIARY MUSCLE
- A ring muscles that contract or relax
to change the shape of the lens
- A ring muscles that contract or relax
to change the shape of the lens
- IRIS
- The coloured part of the eye
- The coloured part of the eye
- CONJUNCTIVA
- A thin,transparent, protective
covering over the front of the eye
- A thin,transparent, protective
covering over the front of the eye
- SCLERA
- A tough covering around the eye
- A tough covering around the eye
- RACHIAL MUSCLE
- Contracts to make pupil dilate
- Contracts to make pupil dilate
- CIRCULAR MUSCLE
- Contracts to make pupil constrict
- Contracts to make pupil constrict
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