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

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction ... @bobvarkey #Convergence ... video #neurology #ophthalmology
Convergence Insufficiency on Ocular Examination

Via Dr. Sebastian Vega @dr.svega

#Convergence #Insufficiency #Ocular #PhysicalExam #clinical #video #neurology #ophthalmology
Convergence Insufficiency ... @dr.svega #Convergence ... video #neurology #ophthalmology
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 ... pathophysiology #ophthalmology
Myopia: Pathogenesis and clinical findings

 • Axial length of eye -> Long axial length of the
lens) -> light convergence ... Increased light convergence ... pathophysiology #ophthalmology
Hippus on Physical Exam
Hippus: alternating dilation and constriction of pupils independent of illumination, convergence or psychic
illumination, convergence ... video #neurology #ophthalmology
Hippus on Physical Exam

Hippus: alternating dilation and constriction of pupils independent of illumination, convergence or psychic
illumination, convergence ... video #neurology #ophthalmology
Characteristic eye movements found in Downbeat Nystagmus

Downbeat nystagmus (downward fast phase) is the most common of
also amplified by convergence ... Nystagmus #Vertical #Ophthalmology
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
dissociation - Convergence
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
tectal pupils) • Convergence
Central Retinal Vein Occlusion (CRVO)
Clinical:
 • Sudden, painless, monocular loss of vision 
 • "Blood and
Management: • Ophthalmology ... Clinical #Fundoscopy #Ophthalmology