Demonstration kit Functional human eye model

School level: Secondary education
Use: Experiments and demonstrations in physics and biology lessons

The Demonstration kit Functional human eye model illustrates key aspects of human vision and combines the physical principles of optics with the anatomy and physiology of the eye. The model demonstrates how an object is imaged on the retina, how the pupil adapts to different light conditions and how the focal length of the lens changes when focusing on near and distant objects.

The model can also be used to address common vision defects and their correction as well as the yellow spot and blind spot on the retina.

The model includes an adjustable lens, a ground-glass screen representing the retina and an aperture representing the pupil. Various objects can be used for image formation. A rail allows the distance between the object and the lens to be varied.

Illustrated instructions provide information and guidance on the experimental setups and results.

The picture shows an open red suitcase filled with educational experiment materials. Included are various sealed items, a ruler and optical devices arranged in foam storage.
The picture shows an open red suitcase filled with educational experiment materials. Included are various sealed items, a ruler and optical devices arranged in foam storage.
The picture shows a red suitcase containing materials for experiments on the human eye. Inside are two objects, a ruler, instructions and other small parts that can be used in class.
The image shows a product description for a functional model of the human eye from an online shop for experimental supplies. It contains information about the order number and an image that visualizes the model.
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The picture shows an experimental device stored in a precisely fitting foam insert. Next to the device there is a transparent packaging with additional parts or accessories, as well as a metric ruler for precise measurements.
The image shows a functional model of the human eye, consisting of various parts, including lenses and mounts. Instructions on how to assemble and use the parts are also shown to facilitate experimental investigation.
The image shows instructions for an experiment on how the normal eye works. It includes a graphic representation of a tree line of sight and a schematic illustration of the lenses and rails used.
The image shows various experimental materials, including two special vessels depicting eye structures, a lens, a holding device and a ruler. These items appear to be designed for biological experiments or teaching purposes in education.
The picture shows two artificial eye models with detailed drawings depicting the structures of the eye. Next to them are some gray experimental components, probably used for educational purposes in science classes.
The image shows a medical model of an eye as well as a tool likely used to demonstrate anatomical structures or for experiments. The eye is detailed with colored markings to represent different parts.
The picture shows an experimental device for studying light refraction and the human eye. Artificial eyes are arranged on a rail stand, next to them are various lenses and a candle as a light source.

item number 47030

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Technical specifications

In study box with foam insert.

Size of kit: 440 x 330 x 100 mm

The image of an object is imaged upside down through the eye lens on the retina of the eye (frosted glass pane).


The students learn about the function of the pupil.


To see objects in focus closer than 5 m in front of the eye, the refraction of the eye lens must be increased by making it more curved.


Students learn about the normally sighted eye.


The students learn the myopic eye.


The students learn the farsighted eye.


The students learn about presbyopia.


With the help of the image, the existence of the blind spot (no image perception at this point on the retina of the eye) can be experienced in the experiment.


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  • 1 × Carton for storage box, 481x425x107
  • 1 × Foam insert for 47030, 425x310x65 mm
  • 1 × Foam insert, 430x320x20mm
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