OSA's Digital Library

Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 44, Iss. 2 — Feb. 1, 1954
  • pp: 117–128

Congenital Achromatopsia: A Report of 19 Cases

LOUISE L. SLOAN  »View Author Affiliations

JOSA, Vol. 44, Issue 2, pp. 117-128 (1954)

View Full Text Article

Acrobat PDF (1486 KB)

Browse Journals / Lookup Meetings

Browse by Journal and Year


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools



Studies were made of the visual functions of subjects with complete and incomplete achromatopsia, with particular emphasis on measurements of the rates of dark adaptation in a parafoveal region of the retina and at the fovea. When adequate preadaptation to a high luminance is achieved, the dark-adaptation curves reveal the presence of some form of photopic receptors in addition to the normal scotopic rods. Both types of receptor are present, not only in the paracentral retina, but also at the fovea.

LOUISE L. SLOAN, "Congenital Achromatopsia: A Report of 19 Cases," J. Opt. Soc. Am. 44, 117-128 (1954)

Sort:  Author  |  Journal  |  Reset


  1. Frank B. Walsh, Clinical Neuro-Ophthalmology (Williams and Wilkins Company, Baltimore 1947), p. 320.
  2. M. Franceschetti, Bull. mém. soc. franc. d'opht. 52, 135 (1939).
  3. L. L. Sloan, and S. M. Newhall, Am. J. Ophthalmol. 25, 945 (1942); L. L. Sloan, Am. J. Ophthalmol. 29, 290 (1946). W. D. Wright, Researches on Normal and Defective Contour Vision (C. V. Mosby Company, 1947), p. 336.
  4. G. F. Göthlin, Acta Ophthalmol. 19, 202 (1941).
  5. K. S. Weaver, J. Opt. Soc. Am. 27, 30 (1937).
  6. Louise L. Sloan, J. Opt. Soc. Am. 40, 41 (1950).
  7. D. Farnsworth, J. Opt. Soc. Am. 33, 568 (1943).
  8. Hecht, Shlaer, Smith, and Haig, J. Gen. Physiol. 31, 459 (1948).
  9. F. Best, Z. Biol. 68, 111 (1917).
  10. N. N. Kolychev, Vestnik Oftalmol. 17, 87 (1940).
  11. W. Uthoff, Z. Psych. Phys. Sinnesorg. 27, 344 (1902).
  12. H. Rönne, Klin. Monatsbl. Augenheilk. 44, 193 (1906).
  13. F. B. Hofmann, and F. Nussbaum, Z. Biol. 78, 251 (1923).
  14. K. Grunert, Arch. Ophthalmol. 56, 132 (1903).
  15. S. D. Lewis and J. Mandelbaum, Arch. Ophthalmol. 30, 225 (1943).
  16. Louise L. Sloan, Am. J. Ophthalmol. 33, 1077 (1950).
  17. H. Larsen, Klin. Monatsbl. Augenheilk. 67, 301 (1921).
  18. Wratten Light Filters, Eastman Kodak Company.
  19. (To be published).
  20. K. S. Weaver, J. Opt. Soc. Am. 39, 278 (1949), see p. 288. Louise L. Sloan, Psych. Monog. 38 (1928), see Fig. 16 and Tables XVIII and XVI.
  21. The hypothesis that the photopic receptors of the achromat are cones rather than rods is convincingly presented by G. L. Walls and G. G. Heath, "Typical total color blindness reinterpreted," Acta Ophthalmologica (to be published; two installments in successive issues).

Cited By

Alert me when this paper is cited

OSA is able to provide readers links to articles that cite this paper by participating in CrossRef's Cited-By Linking service. CrossRef includes content from more than 3000 publishers and societies. In addition to listing OSA journal articles that cite this paper, citing articles from other participating publishers will also be listed.

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited