Errors Of Refraction

Uses animation to represent the effect of light rays passing through prisms and convex and concave spheres and cylinders, shows the formation of an image on the retina in a normal eye and the accommodation for near objects. Demonstrates the effect of presbyopia, hyperopia, myopia and astigmatism and their correction with lenses.

Related films

Sources

  1. A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, year, creator, length, format, sound, description
  2. 16mm Filmography (legacy record) — catalog record