Cornelsen Experimenta
Physics

Demonstration kit Functional human eye model


To demonstrate the optical functions of the eye such as creation of the image of an object on the retina, accommodation (change in curvature of the lens), short- and long-sightedness.
 

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 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.
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.
The image shows a circular object lying in a padded holder, surrounded by black foam. Red patterns can be seen on the surface of the object, while gray components for further experiments lie next to it.
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.

item number 47030

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Technical specifications

In study box with foam insert.

Size of kit: 440 x 330 x 100 mm

experiments
  • 1 - Projection of an object on the retina

    experiment "Projection of an object on the retina"

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


  • 2 - The function of the iris diaphragm

    experiment "The function of the iris diaphragm"

    The students learn about the function of the pupil.


  • 3 - The accommodation of the human eye

    experiment "The accommodation of the human eye"

    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.


  • 4 - The normal sighted eye

    experiment "The normal sighted eye"

    Students learn about the normally sighted eye.


  • 5 - Near-sightedness

    experiment "Near-sightedness"

    The students learn the myopic eye.


  • 6 - Far-sightedness

    experiment "Far-sightedness"

    The students learn the farsighted eye.


  • 7 - Demonstration of presbyopia (old people sightedness)

    experiment "Demonstration of presbyopia (old people sightedness)"

    The students learn about presbyopia.


  • 8 - The yellow spot and the blind spot of the eye

    experiment "The yellow spot and the blind spot of the eye"

    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.


scope of supply
  • 1 × Storage box, red 430x330x99 mm
  • 1 × Carton for storage box, 481x425x107
  • 1 × Foam insert, 430x320x20mm
  • 1 × Foam insert for 47030, 425x310x65 mm
  • 1 ×

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