Congenital Nystagmus is an eye focusing disorder. It happens in manuals. Wikipedia lists several treatments on its page. Are any of those FDA approved for human use of that disease.

drugs found to be effective against nystagmus in some patients include memantine, levetiracetam, 3,4-diaminopyridine, 4-aminopyridine, and acetazolamide. -wiki

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    $\begingroup$ googling for the drug name will tell you if it's available. Based on my 4 seconds of research, the first two are. $\endgroup$ – MattDMo Oct 18 '14 at 3:29
  • $\begingroup$ @MattDMo no sir i think you're mistaken. would you share your keywords so that i can examine the results and validate that nystagmus is an approved condition of treatment. $\endgroup$ – timmy26 Oct 18 '14 at 5:40
  • $\begingroup$ the links i found said otherwise: Curbside Consultation in Neuro-ophthalmology: 49 Clinical Questions $\endgroup$ – timmy26 Oct 18 '14 at 5:43
  • $\begingroup$ The mainstay of therapy is pharmacologic and several good options exist for [acquired pendular nystagmus] treatment. Gabapentin has a very tolerable side effect profile a large dosing range and its beneficial effects in suppressing oscillopsia and dampening the nystagmus waveform in APN have been demonstrated in a double-blind controlled trial. (non FDA approved use) $\endgroup$ – timmy26 Oct 18 '14 at 5:52
  • $\begingroup$ "Available" is different from "FDA approved for this use." Memantine (Namenda) and Levetiracetam (Keppra) as well as gabapentin (Neurontin) are most certainly available to be prescribed for whatever by any doctor, but I doubt any of them is approved for nystagmus. (I don't know for sure, just pointing out this discrepancy in usage.) $\endgroup$ – Susan Oct 18 '14 at 16:03

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