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Ocular Diseases # 11
Questions Neuro Ophthalmology
| Question | Answer |
|---|---|
| What drops are used to diagnose Adie's Syndrome (it constricts abnormal pupil)? | 1/8% Pilocarpine |
| What drops are used to diagnose Horner's Syndrome (dilates abnormal pupils)? | Apraclonidine |
| 25-year old female with history of recent vision loss. Presents with small central scotoma, mild RAPD, pain on eye movement, and decreased color vision in one eye. Optic nerve and retina are normal. NO other signs or symptoms. What could it be? | Retrobulbar neuritis or MS. |
| When testing patients pupils, where should the patient be looking? | At a distant chart |
| If a patient has a positive RAPD in his left eye, the swinging flashlight test will show what? | Some dilation of pupil on the left under above circumstance. |
| A patient with positive RAPD in left eye, what happens when you bring the swinging flashlight back to the right eye? The right pupil will ____________. | Constrict |
| Ptosis and anhydrosis are associated with __________. | Horner's |
| What is the most common cause of a fixed dilated pupil? | Accidental contamination with a medication that dilates. |
| What is the position of the eye in IIIrd cranial nerve palsy? | Down and out |
| Which muscle is paralyzed in sixth cranial nerve palsy? | Lateral rectus |
| The Bielchowski head tilt is a test for which cranial nerve? | IVth Superior rectus |
| If the Head Tilt is positive (hypertropia greater) on tilting to the right, which side is the cranial nerve palsy? | Same side (right) |
| What will may be seen in a IIIrd nerve paralysis? | Dilated pupil (mydriasis), and paralysis of the superior rectus, medial rectus, inferior oblique, inferior rectus. |
| What are four things that are true about Papilledema? | Swelling (edema of the optic nerve), Associated with increased IOP, Usually bilateral, Central vision usually pretty good. |
| Is retrobulbar neuritis unilateral or bilateral? | Either |
| What happens with the optic nerve head in retrobulbar neuritis? | There is inflammation posterior to the ONH. |
| What might retrobulbar neuritis be a sign of? | MS |
| What four things are true about retrobulbar neuritis? | Pain is frequent, Central or cecco-central scotoma, Color vision involved, Central vision blurred |
| Drusen of the optic nerve may cause ___________. | Pseudopapilledema |
| Patient with monocular diplopia in which a pinhole does not improve vision is usually ______________. | Malingering |
| 25 year old female with history of recent vision loss. Presents with small central scotoma, mild RAPD, and decreased color vision in one eye. Optic nerve and retina are normal. No other signs or symptoms. What could it be? | MS |
| A 40yo male complains of tunnel vision. You perform Goldman or Tangent Screen vf and find that the vf defect is the same with different sized targets, or the same when he is tested at different distances from the screen. Your probable diagnosis is? | Psychological |
| What causes an Argyll-Robertson pupil? | Syphilis |
| What do you see in Horner's syndrome? | Ptosis, Miosis |
| What do you see in Adie's pupil? | Dilated pupil |
| What drops make a pupil fixed and dilated? | Cycloplegic drops |
| What do you see in Myasthenia Gravis? | Ptosis, General weakness |
| What do you see in Papillitis? | Neuritis, Miosis |
| What do you see in Papilledema? | Miosis, Increased IOP |
| What is Amaurosis Fugax? | Transient monocular vision loss |
| What may cause Amaurosis Fugax? | Carotid atherosclerosis |
| What do you see in a IIIrd CN paralysis? | Ptosis, Dilated pupil, Eye down and out |
| What do you see in IVth CN paralysis? | Vertical diplopia |
Created by:
Leequa
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