Nystagmus, primary hereditary (congenital nystagmus) 8

General: Autosomal recessive, sex-linked or irregular dominant; may be associate 616g67g d with albinism.

Ocular: Horizontal nystagmus; myopia.

Clinical: Head spasms; carpopedal spasms (Trousseau sign); Chvostek sign.

Allen M. Primary hereditary nystagmus: case study with genealogy. J Hered 1942; 33:454-456.

Guttman DH, et al. Congenital nystagmus in a (40,XX/45,X) mosaic woman from a family with X-linked congenital nystagmus. Am J Med Genet 1991; 39:167-l69.

Lavin PJM. Congenital nystagmus. In: Bradley WG, ed. Neurology in Clinical practice, 2nd ed. Boston: Butterworth-Heinemann, 1995:200.

McKusick VA. Mendelian Inheritance in Man; A Catalog of Human Genes and Genetic Disorders, 12^th ed. Baltimore: The Johns Hopkins University Press, 1998.

Online Mendelian Inheritance in Man, OMIM. McKusick-Nathans Institute for Genetic Medicine, Johns Hopkins University and National Center for Biotechnology Information, National Library of Medicine, February 12, 2007. World Wide Web URL: https://www.ncbi.nlm.nih.gov/omim/.

Stromberg A, Pavan-Langston D. Extraocular muscles, strabismus, and nystagmus. In: Pavan-Langston D, ed. Nystagmus: manual of ocular diagnosis and therapy, 4th ed. Boston: Little, Brown and Company, 1995:333-336.