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

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... nerve palsy Caused ... #ocular #physicalexam ... clinical #video #neurology ... #ophthalmology
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye - Differential ... Orbital Cellulitis Ocular ... • Keratitis/Corneal ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Impaired extra-ocular ... nerves -> Afferent pupillary ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... #ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Vision Loss - Differential ... Chronic: - Cornea ... Cataracts - Macula: Macular ... #Diagnosis #causes ... #ophthalmology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Blurry Vision - Differential ... Ocular Adverse Effects ... Concussion Other Causes ... #diagnosis #ophthalmology ... #causes
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
unilateral; • Slow pupillary ... Young females Differential ... dissociation • Other causes ... #PhysicalExam #neurology ... #ophthalmology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Red Eye - Differential ... Episcleritis Ocular ... Conjunctivitis #ocular ... #differential # ... diagnosis #ophthalmology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of posterior semicircular canal
Ocular Nystagmus ... Maneuver This is a case ... #Nystagmus #BPPV ... #physicalexam #ophthalmology ... #neurology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Anatomic Location - Differential ... Diagnosis Algorithm Cornea ... Chronic #VisionLoss #Differential ... Diagnosis #Algorithm #Causes ... #Ophthalmology