optic nerve lesions
Last reviewed 01/2018
Signs of optic nerve dysfunction include:
- falling acuity
- impaired colour perception
- relative afferent pupil defect
- field defect - unilateral if only one eye nerve is affected, producing a central scotoma
- pallor of the disc head
During the neurological examination there must be a full assessment of acuity, fields and fundi in both eyes.
unilateral visual field defect