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Fig. 1 | BMC Ophthalmology

Fig. 1

From: Ebstein anomaly associated with retinal venular dilatation, migraine, and visual snow syndrome: a case report

Fig. 1

A Colour image of the right optic nerve head from which major retinal vessels arise. The arterioles are light red in colour, the venules dark red. B Similar image of left optic nerve head. C Digitized image of A with concentric circles drawn around optic nerve to calculate the arteriovenous ratio. This ratio was 0.648. D Similar image of B. This ratio was 0.670

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BMC Ophthalmology

ISSN: 1471-2415

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