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Variations and Coincidental Occurrence With Ataxia in a Large Family

ALBERT F. HECK, MD

Arch Ophthalmol. 1963;70(2):143-149.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

The occurrence of pigmentary degeneration of the retina, heredomacular degeneration, and retinitis punctata albescens in "unaffected" members of families with hereditary ataxia has been subjected to two possible interpretations. The first is that these conditions are equivalents (or alternate expressions of the same gene) of Friedreich's disease.¹ The second is that the two groups occur coincidentally in the same family.²

The present study concerns a family of 415 members wherein retinal degeneration and Friedreich's ataxia with heart disease are known to occur. Of the 363 living members, 160 were examined for evidence of neurological, ophthalmological, cardiac, and musculoskeletal defects. The ophthalmological findings of the study are reported herein.

Protocol and Comments on the Family Studied

Inquiry was made of each of the 160 persons examined (or, in the case of children, their parents) as to past medical history, with particular attention paid to history of infectious disease, trauma, . . . [Full Text PDF of this Article]

Author Affiliations
Baltimore

Present address: Department of Neurophysiology, Division of Neuropsychiatry, Walter Reed Army Institute of Research, Washington 12, DC.; Formerly, Fellow in Neurology, Division of Neurology, Department of Medicine, University of Maryland School of Medicine.

Footnotes
Submitted for publication Sept 12, 1962.

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