Question: In which of the following conditions is optokinetic stimulus testing useful?
1. Infantile nystagmus
2. Patients claiming complete blindness
3. Homonymous hemianopia
4. Internuclear ophthalmoplegia
5. Dorsal midbrain syndrome
6. Optic neuritis
1
Neuro-ophthalmology Question of the Week: Optic Neuropathy or Maculopathy
Question:
Which of the following clinical tests can help differentiate between optic neuropathy and maculopathy in a patient with a reduction in visual acuity?
1.Swinging flashlight pupillary reactions
2. Amsler Grid
3. Dilation lag in darkness
4. Anisocoria
5. Photostress recovery test
6. Color vision/saturation
1
Question1:
A 35-year-old woman is evaluated for a 2-week history of photophobia and awareness that her right pupil is larger than the left. Examination shows absent right pupillary response to light stimulation of either eye. There is no diplopia and no evidence of extraocular muscle palsy. Upon local instillation of 0.125% pilocarpine, the larger pupil becomes smaller than the contralateral pupil.
Which of the following is the most likely location of the lesion?
1. ciliary ganglion
2. Edinger-Westphal nucleus
3. oculomotor nerve
4. optic chiasm
5. pretectal nucleus
2