Reappraisal of the ratio of disc to macula/disc diameter in optic nerve hypoplasia.
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چکیده
منابع مشابه
Reappraisal of the ratio of disc to macula/disc diameter in optic nerve hypoplasia.
The ratio of disc to macula/disc diameter is characteristically increased in eyes with optic nerve hypoplasia. We present the largest reported series of patients with a definitive diagnosis of optic nerve hypoplasia for whom this ratio has been determined. All measurements were made by an independent masked observer. Our results are in accordance with previous reports. A ratio of 2.94 provides ...
متن کاملReappraisal of the ratio of disc to macula / disc diameter in optic nerve hypoplasia Sabah
The ratio of disc to macula/disc diameter is characteristically increased in eyes with optic nerve hypoplasia. We present the largest reported series of patients with a definitive diagnosis of optic nerve hypoplasia for whom this ratio has been determined. Ali measurements were made by an independent masked observer. Our results are in accordance with previous reports. A ratio of 2*94 provides ...
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Hypoplasia of the optic nerve is uncommon (Scheie and Adler, I94I; Somerville, I962; Whinery and Blodi, I963; Ewald, I967). It is usually due to a failure of development of the ganglion cell layer of the retina and results in a small but discernible optic disc with central vessels. The disc may be cupped with a peripapillary, mottled, yellowish halo corresponding to the size of the normal disc,...
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ژورنال
عنوان ژورنال: British Journal of Ophthalmology
سال: 1991
ISSN: 0007-1161
DOI: 10.1136/bjo.75.9.538