Dutton, Gordon N.

Gordon, Gael E.

Heron, Gordon

Optic disc drusen are hyaline bodies in the optic nerve head of unknown aetiology, 1 which are present in approximately 2% of the population. 2 Reduced visual acuity associated with optic disc drusen is rare, although visual field defects are common in cases of visible drusen. 3 4 Although the condition is frequently bilateral, asymmetry is usual. 5 We report a case of a patient with disabling visual symptoms associated with optic disc drusen. These were found to result from the Pulfrich phenomenon and were resolved by prescribing an appropriate ophthalmic tint.</p

The Pulfrich phenomenon in optic disc drusen

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