49 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
mucins with reduced tear ... production -> Corneal ... conjunctiva and cornea ... pathophysiology #ophthalmology ... #diagnosis #signs
Retinal Tear on Fundoscopy Ocular Examination

Patient with a history of retinal tear treated with laser. In
Retinal Tear on ... treatment with laser, signs ... #Retina #Tear # ... Ocular #PhysicalExam ... clinical #video #ophthalmology
Retinal Detachment

Floaters - Cobweb appearance 
Photopsia - Flash of light 
Visual field defect - Flash of
Retinal Detachment ... of light #Retinal ... #Detachment #Diagnosis ... #Ophthalmology ... #Signs
Central Retinal Vein Occlusion (CRVO): Pathogenesis and clinical findings

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
Central Retinal ... pathophysiology #ophthalmology ... #diagnosis #signs
Woltman’s sign on Physical Exam

53-year-old man presented with fatigue and sensitivity to cold. A physical examination
Woltman’s sign on ... reflex — Woltman’s sign ... Woltman’s sign, ... #Woltmans #Signs ... #PhysicalExam #
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs ... absent or partial retinal ... spread • Sub-retinal ... pathophysiology #ophthalmology ... #diagnosis #signs
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
- Differential Diagnosis ... Surface Injury: • Corneal ... hemorrhage • Retina ... : Tear, hemorrhage ... Algorithm #Causes #Ophthalmology
Shafer's sign on Slit Lamp Ocular Examination

Pigmented cells in the anterior vitreous, which is highly suggestive
Shafer's sign on ... suggestive of a tear ... in the retina. ... Shafers #Schaffers #sign ... Vitreous #Ocular #PhysicalExam
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Proptosis -> Exposes cornea ... -> Corneal drying ... pathophysiology #ophthalmology ... #diagnosis #signs
Traditionally, we have been taught to examine for Kernig’s and Brudzinski’s signs when examining patients with
and Brudzinski’s signs ... these classic signs ... #Diagnosis #Kernigs ... #Brudzinskis #Signs ... #PhysicalExam #