BILATERAL COLOBOMA OF THE OPTIC NERVE
- 1 January 1930
- journal article
- research article
- Published by American Medical Association (AMA) in Archives of Ophthalmology (1950)
- Vol. 3 (1) , 71-79
- https://doi.org/10.1001/archopht.1930.00810030079004
Abstract
From an ophthalmoscopic examination of what is commonly termed coloboma of the optic nerve, it is difficult to tell whether the developmental defect is in the optic nerve or in the adjacent choroid. In a review of the literature, one encounters difficulty in classifying the cases, for there is wide latitude in many of the reports. Thus one finds the extremes—holes in the disk and extensive physiologic cup, to coloboma of the nerve head in association with coloboma of the choroid, ciliary body and iris. It is therefore impossible to tell accurately how many reports have been made, although one may have an idea from Crampton's1review in 1912, when he collected twenty-one cases in sixteen patients, which report included the six unequivocal examples recorded by Coates,2in all of which he had made histologic examinations. I found twenty-six additional cases (some very uncertain) with onlyKeywords
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