Human Eye Model

Product Code: OS-8477A


Explore the optics of normal vision and vision correction, including:

  • Normal vision
  • Near-sightedness
  • Far-sightedness
  • Astigmatism

Use the included plastic lenses to create images for normal vision, far-sightedness, near-sightedness and astigmatism. Additional lenses are placed in front of the eye to correct for vision problems.

Learn about PASCO’s Basic Optics System and a few of its many available accessories, including the Human Eye Model, Adjustable Focal Length Lens, and Color Mixer.



Focal Lengths in Air of Plastic Lenses
  • +62 mm (+16d)
  • +120 mm (+8.3d)
  • +400 mm (+2.5d)
  • -1000 mm (-1.0d)
  • -128 mm (-7.8d) cylindrical
  • +307 mm (+3.26d) cylindrical
  • Dimensions: 15 cm x 17 cm x 10 cm high
Corneal Lens Focal Length in Air
  • +140 mm (+7.1d)
  • 15 cm x 17 cm x 10 cm high
Manual Downloads

Product Manuals for the Human Eye Model (OS-8477A)

Human Eye Model Manual (OS-8477A)
(5.1 MB – .pdf – English)

Product Manuals for the Included Products

Adjustable Focal Length Lens Manual OS-8494
(1.3 MB – .pdf – English)

Lens Replacement Set

Replacement lens set for the Human Eye Model (OS-8477).