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Functional Eye with Changing Lens -- Physical Eye Model

This model can be used to demonstrate the optical functions of the eye, e.g. representation of an object on the retina, accommodation (change in the lens curvature), short-sightedness and far-sightedness.

The model comprises:
• Half eyeball with adjustable iris diaphragm, lens holder and 2 convex lenses (f = 65 mm and 80 mm), on a rod
• Half eyeball with retina (transparent screen), on a rod
• Lens holder with one concave and one convex corrective lens, on a rod
• Candle holder with 2 candles, on a rod
• Aluminium rail, 50 cm long, with 4 clamp slides
• Storage case

Measurements: 49x5,5x18 cm
Weight: 2,0 kg

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Functional Eye Demonstration Model

With this model the functions of the human eye can be taught very effectively. By moving the retina, the shape of the eye can be changed. The lens and ciliary body are made of silicone to allow the change of form and thickness of the lens. Pictures can be projected on the retina that allows you to demonstrate:

• Accommodation of the lens
• Near point of vision
• Myopia (near sightedness)
• Hypermetropia
• Presbyopia
• How to correct these problems with glasses

Comes with detailed instruction manual.
Click here for the demonstration video.
Measurements: 45x30 cm
Weight: 2,0 kg

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Budget Functional Eye Demonstration Model

With this model the functions of the human eye can be taught very effectively. By moving the retina, the shape of the eye can be changed. The lens and ciliary body are made of silicone to allow the change of form and thickness of the lens. Pictures can be projected on the retina that allows you to demonstrate:

• Accommodation of the lens
• Near point of vision
• Myopia (nearsightedness)
• Hypermetropia
• Presbyopia
• How to correct these problems with glasses

Comes with detailed instruction manual.
Measurements: 32x18 cm
Weight: 0,5 kg

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