Part 2 of an animated analogy discussing INO variants and explaining how they cause horizontal eye movement abnormalities
Timecodes
0:00 - Intro
0:43 - Wall-Eyed Bilateral Internuclear Ophthalmoplegia (WEBINO)
0:53 - WEBINO Exotropia
1:44 - BINO vs WEBINO
2:06 - Right Pontine lesion (Right PPRF damage)
2:20 - Acute pontine lesion → fixed conjugate gaze deviation
3:01 - Left Pontine lesion (Left PPRF damage)
3:13-- Right Pontine lesion (Right Abducens nucleus damage)
3:44 - Left Pontine lesion (Left Abducens nucleus damage)
3:51 - Right One-and-a-half syndrome (Right MLF + Right PPRF damage)
4:31 - Paralytic pontine exotropia
4:58 - Left One-and-a-half syndrome (Left MLF + Left PPRF damage)
5:16 - Right One-and-a-half syndrome (Right MLF + Right Abducens nucleus damage)
5:34 - Left One-and-a-half syndrome (Left MLF + Left Abducens nucleus damage)
5:48 - Eight-and-a-half syndrome
6:16 - Right Half and half syndrome
6:52 - Left Half and half syndrome
7:19 - Right Posterior INO of Lutz
7:53 - Left Posterior INO of Lutz
8:06 - Dissociated ABducting vs ADducting nystagmus
8:29 - Posterior INO of Lutz vs Abducens nerve palsy
9:02 - Summary
9:09 - Tips when dealing with horizontal gaze abnormalities
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