81 results
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction ... Nystagmus with ... @bobvarkey #Convergence ... #retraction #nystagmus
Convergence retraction nystagmus on physical exam secondary to dorsal midbrain lesion

#convergence #retraction #nystagmus #ocular #physicalexam #neurology
Convergence retraction ... nystagmus on physical ... midbrain lesion #convergence ... #retraction #nystagmus
Convergence-Retraction Nystagmus on Physical Exam

Convergence-retraction nystagmus: irregular, jerky nystagmus, associated with convergence and retraction of both
Convergence-Retraction ... Nystagmus on Physical ... nystagmus: irregular ... , jerky nystagmus ... #Retraction #Nystagmus
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
dissociation - Convergence ... retraction nystagmus
Characteristic eye movements found in Downbeat Nystagmus

Downbeat nystagmus (downward fast phase) is the most common of
found in Downbeat Nystagmus ... Downbeat nystagmus ... Its jerk nystagmus ... This form of nystagmus ... also amplified by convergence
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
tectal pupils) • Convergence ... retraction nystagmus
Nystagmus: Rapid, rhythmic, repetitious, and involuntary eye movements. Nystagmus can be horizontal, vertical, or rotary.

The Bridge
Nystagmus: Rapid ... Nystagmus can be ... TheBridgeKAU #Nystagmus
Pendular Nystagmus on Ocular Exam

Pendular nystagmus seen in this patient with multiple sclerosis

#Pendular #Nystagmus #Ocular #PhysicalExam
Pendular Nystagmus ... Exam Pendular nystagmus ... #Pendular #Nystagmus
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
Latency (delay in nystagmus ... and torsional nystagmus ... • Vertigo and nystagmus ... 30 seconds • Nystagmus ... sitting position • Nystagmus
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
Decreased light convergence ... rays require less convergence ... rays require more convergence