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

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
with a left 6th nerve ... palsy Caused ... #ocular #physicalexam ... clinical #video #neurology ... #ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Cataracts - Macula: Macular ... inflammation - Optic Nerve ... Occlusion, Central ... Differential #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
Optic Nerve/Pathway ... Ocular Adverse Effects ... Tumor • Optic nerve ... differential #diagnosis #ophthalmology ... #causes
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
One-and-a-half Syndrome ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Finger ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Vertical Nystagmus on Slit Lamp Ocular Examination

Often an indicator of a central lesion. This patient was
Vertical Nystagmus ... on Slit Lamp Ocular ... indicator of a central ... #PhysicalExam # ... #neurology #SlitLamp
Myelinated Retinal Nerve Fiber Layers (MRNF) on Fundoscopy Ocular Examination

Dr. Sebastian Vega @oftalmopo

#MRNF #Myelinated #Retinal #Nerve
Myelinated Retinal ... Nerve Fiber Layers ... #Nerve #Fibers ... #PhysicalExam #clinical ... #video #ophthalmology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
Caused by decreased ... nerve perfusion ... Ocular causes - ... floaters obscuring central ... Differential #Diagnosis #Ophthalmology
Myelinated retinal nerve fibers (MRNF) on Fundoscopy Ocular Examination

They are retinal nerve fibers prior to the
nerve fibers (MRNF ... on Fundoscopy Ocular ... In general they ... #MRNF #Ocular #PhysicalExam ... clinical #video #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 ... clinical #video #physicalexam ... #ophthalmology ... #neurology