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

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction ... nerve palsy Caused ... @bobvarkey #Convergence ... #retraction #nystagmus
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
Hyperopia: Pathogenesis ... Decreased light convergence ... the retina => Hyperopia ... rays require less convergence ... near vision #Hyperopia
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
dissociation - Convergence ... retraction nystagmus ... - Eyelid retraction
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
tectal pupils) • Convergence ... retraction nystagmus ... • Eyelid retraction
Convergence retraction nystagmus on physical exam secondary to dorsal midbrain lesion

#convergence #retraction #nystagmus #ocular #physicalexam #neurology
Convergence retraction ... midbrain lesion #convergence ... #retraction #nystagmus
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
hypereosinophilia (HE) Caused ... cytokines Common causes ... : - Drug reaction ... infection - Allergic reaction ... disease Rare causes
Convergence-Retraction Nystagmus on Physical Exam

Convergence-retraction nystagmus: irregular, jerky nystagmus, associated with convergence and retraction of both
Convergence-Retraction ... Physical Exam Convergence-retraction ... associated with convergence ... and retraction ... #Retraction #Nystagmus
The eye is very complex and contains various tissues and structures that work together to provide
disorders can be caused ... exotropia), down (hypotropia ... ), or up (hypertropia
Amblyopia - Lazy Eye - Differential Diagnosis Algorithm
Deprivational - Obstruction of Visual Axis:
 • Ptosis
 •
Refractive Error) • Hyperopia ... Diagnosis #Algorithm #Causes
Colonic Foreign Body Removal

Surgical extraction after large bowel obstruction caused by rectal insertion of a foreign
Removal Surgical extraction ... bowel obstruction caused ... #ForeignBody #Extraction