Oa-2 Model of the Eye (Active)
Published: Wednesday 15 March 2006 - Updated: Thursday 19 April 2007
Aim
To illustrate the defects that may occur in the eye and corrective measures that are applicable.
Apparatus
- Large beaker
- Fluorescene
- Slide projector
- labjack
- lenses
Diagrams
Click on pictures to enlarge.
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Description
A parallel beam of light from a slide projector is directed onto a large flask containing fluorescene. The fluorescene is used to make the beam visible to a large audience. Initially a lens of 20cm focal length is attached to the flask with plasticene to show normal sight. Additional are available to show long and short sighted conditions and their correction