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Disorders of the Optic Nerve
Normal Disc Appearance
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Little is known about the role that OCT will play in the evaluation of the optic nerve head. This image displays the typical pattern of a normal optic disc.
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Congenital Pit of the Optic Nerve Head
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Congenital pits of the optic nerve head may be associated with retinal schisis and retinal detachment.
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Disc Edema in Inflammatory Optic Neuropathy
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This 35 year-old man developed unilateral optic disc edema in his left eye. OCT was used to image the optic disc and peripapillary retina. Retinal thickness was measured at the 9:00 position at the border of the visible RPE and was found to be 802 microns.
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Following treatment with systemic steroids, repeat OCT imaging 2 weeks later showed the retinal thickness at the same location to be 571 microns.
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Repeat OCT 8 weeks later showed the retinal thickness to be 449 microns, confirming the ability of OCT to detect changes in total retinal thickness during the course of the illness.
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