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Fig. 3 | The Journal of Headache and Pain

Fig. 3

From: European Headache Federation guideline on idiopathic intracranial hypertension

Fig. 3

Wide-field imaging using. Wide-field imaging with the Optos™ through an undilated pupil in a, normal patient and b, a patient with IIH. a, normal fundus with blue high magnification box to inspect the optic nerve. Peripapillary atrophy 360o around the disc which is normal. Note the lashes seen inferiorly as artefact on image. b, right optic nerve which has grade 2 Frisen swelling where there is elevation of the optic disc margin 360o, loss of the clear optic disc margin as seen in a. c, the high magnification tool allows excellent visualisation of the swelling without degradation of the image

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