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KMID : 0360219750160040401
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Journal of the Korean Ophthalmological Society
1975 Volume.16 No. 4 p.401 ~ p.403
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Fluorographic Findings of Normal OpticDisc.
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Abstract
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One hundred normal optic discs were analysed by fluorographic fundus pictures, Horizontal. diameter of optic disc was set as 10.
The following results were obtained.
1) The vertical diameter of optic disc was larger than the horizontal one. (10.77 : 10).
2) The ratio of diameters of cenitral retinal vein(CRV) was 1 : 1.51 before and 1 : 1.47
after fluorescein injection.
3) The central retinal artery(CRA) located nasal to the CRV in most cases.
4) In nearly half of cases, physiologic cups located at the nasal-portion of optic discs.
5) The average size of physologic cup was 2.90.
6) The cilioretinal artery was detected in 58% of cases in which one cilioretinal artery was found in 42%, two was found in 16%.
7) The CRA made branchings more than retinal veins (7.74: 5.48) and total sum of diameters of retinal artery was larger than that of retinal vein at the disc margin.
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