You are currently viewing Diplopia In Myasthenia Gravis – Mnemonic

Here is a quick mnemonic “DIPLOPIA EYE to remember about Diplopia In Myasthenia Gravis

This can be valuable for patients as well as medical doctors, nurses & students doing their clinical rounds. You can also find it very useful for med exams like USMLE, MBBS, NEET PG, FMGE, NExT, MCAT & NCLEX exams

Diplopia In Myasthenia Gravis : How To Remember Easily ?

  • D – Diagnosis is established by observing a fatigable ptosis and fluctuating ocular misalignment.
  • I – Intermittent and variable diplopia is a common symptom.
  • P – Pupils are always normal in myasthenia gravis.
  • L – Lesion of a cranial nerve is a likely cause of binocular diplopia if restrictive orbital disease and myasthenia gravis are excluded.
  • O – Ocular myasthenia can mimic botulism from food or wound poisoning.
  • P – Purely ocular form of myasthenia gravis may not show evidence of systemic muscular weakness.
  • I – IV edrophonium injection, formerly used for diagnosis, is discontinued in the United States.
  • A – Antibody tests for acetylcholine receptor or MuSK protein are often negative in purely ocular myasthenia gravis.
  • G – Great care should be taken to differentiate myasthenia gravis from other causes of painless diplopia.
  • R – Reversal of eyelid or eye muscle weakness with IV edrophonium injection was a classical diagnostic method.
  • A – Accompanied by diplopia, a fatigable ptosis is commonly observed.
  • V – Variable ocular misalignment contributes to the diagnosis of myasthenia gravis.
  • I – In myasthenia gravis, diplopia is not confined to any single ocular motor nerve distribution.
  • S – Systemic muscular weakness may not be present in purely ocular myasthenia gravis


Dr. Arin Nandi

Passionate About Medical Science & Helping Future Doctors Achieve Top Ranks In Medical Exams. He is professionally a dentist as well as a public health expert from JIPMER working in department