54 results
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Bell's palsy There ... many different causes ... the commonest cause ... Lagophthalmos - Ectropion ... Palsy #Neurology #Signs
Bell's Phenomenon on Physical Exam

Carles Bell realized that when trying to close the eye on the
Bell's Phenomenon ... Physical Exam Carles ... Bell realized that ... #Phenomenon #Sign ... #PhysicalExam #ophthalmology
Retinal Detachment

Floaters - Cobweb appearance 
Photopsia - Flash of light 
Visual field defect - Flash of
Retinal Detachment ... #Retinal #Detachment ... #Diagnosis #Ophthalmology ... #Signs
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
mutated in all cells ... Retinoblastoma Signs ... - Retinal detachment ... pathophysiology #ophthalmology ... #diagnosis #signs
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
& inflammatory cells ... • Neurologic: Bell's ... dysrhythmias • Ophthalmologic ... Diagnosis #Symptoms #Signs
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Loss: • Retinal detachment ... , Vitreous detachment ... differential #diagnosis #causes ... #ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Tumor • Retinal detachment ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Non-Traumatic Monocular Vision Loss - Vitreous Detachment 

#Diagnosis #Ophthalmology #Vitreous #Detachment #Diagram #Signs
Loss - Vitreous Detachment ... #Diagnosis #Ophthalmology ... #Vitreous #Detachment ... #Diagram #Signs
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Dislocation, Retinal Detachment ... Differential #Diagnosis #causes ... #ophthalmology
Posterior Vitreous Detachment
 - Most common cause of retinal holes and tears 
 - May lead
Posterior Vitreous Detachment ... - Most common cause ... can cause floaters ... warrant emergent ophthalmology ... #Ophthalmology