Background: Normal-tension glaucoma is a chronic progressive optic neuropathy of unknown etiology. Neuro-imaging workup in these patients is controversial.
Objectives: To determine the value of routine neurologic and neuro-ophthalmologic evaluations in patients with NTG.
Methods: We conducted a retrospective review of all patients diagnosed with NTG in our institution between 2001 and 2006. Neurologic and neuro-ophthalmologic data were evaluated.
Results: Sixty-eight patients were considered suitable for the study 135 males, 33 females; age range 43-90 years). Neurologic and neuro-ophthalmologic findings were normal in all of them. The computed tomography brain scan was normal in 88% and duplex carotid Doppler scan was normal in 92%.
Conclusions: Pathologic findings in neurologic and neuro-ophthalmologic assessments were uncommon in NTG. Therefore, contrary to earlier suggestions, neurologic and neuro-ophthalmologlc evaluations in typical normal-tension glaucoma patients appear to have no added value.
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