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Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients
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Optic neuritis caused by the re-emerging great masquerader.

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A woman experienced vision loss and headache due to neurosyphilis, a treatable infection. Prompt penicillin treatment led to symptom improvement, highlighting the importance of diagnosing this condition.

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Area of Science:

  • Ophthalmology
  • Neurology
  • Infectious Diseases

Background:

  • Neurosyphilis is a serious infection affecting the brain and nervous system.
  • Ocular manifestations of syphilis can mimic other neurological conditions, leading to diagnostic challenges.

Observation:

  • A 49-year-old woman presented with subacute headache, right eye pain, scotoma, blurred vision, and photophobia.
  • Initial MRI suggested optic neuritis, treated with steroids, but symptoms persisted.

Findings:

  • Cerebrospinal fluid analysis revealed positive Venereal Disease Research Laboratory (VDRL) and Rapid Plasma Reagin (RPR) titers, indicative of syphilis.
  • The patient recalled a prior illness with a diffuse rash, consistent with secondary syphilis.
  • HIV testing was negative.

Implications:

  • This case underscores the importance of considering neurosyphilis in patients with unexplained optic neuritis and neurological symptoms.
  • Early diagnosis and treatment with intravenous penicillin are crucial for favorable outcomes in neurosyphilis.
  • Ophthalmologists and neurologists should be vigilant for syphilis as a potential cause of optic nerve inflammation.