Moderate

Toxic optic neuropathy can be caused by all of the following EXCEPT_______________?

Correct answer: C. Ciprofloxacin

  • A. Ethambutol
  • B. Ethylene glycol
  • C. Ciprofloxacin
  • D. Tetracycline

Explanation

Ethambutol classically causes dose-related optic neuropathy, while ethylene glycol toxicity can produce severe visual injury and tetracyclines can cause raised intracranial pressure with visual effects. Ciprofloxacin is not a recognized typical cause of toxic optic neuropathy in standard pharmacology lists.

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