[Determination of the real size of an object on the fundus of the living eye]

Klin Monbl Augenheilkd. 1982 Apr;180(4):286-9. doi: 10.1055/s-2008-1055068.
[Article in German]


A method is described which allows the real diameter of an object on the fundus to be determined by means of a system of curves which are the result of trigonometrical calculations and which give an approximate value; only a photograph of the fundus, a measurement of the ametropia and of the radius of the anterior surface of the cornea are required. The results can be corrected with a second graph, which makes use of the length of the optical axis of the eye.

Publication types

  • English Abstract

MeSH terms

  • Cornea / anatomy & histology
  • Fundus Oculi*
  • Humans
  • Optics and Photonics
  • Photography
  • Refractive Errors / physiopathology*
  • Size Perception / physiology*