29 results
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
• Spots in the eyes ... Detachment: Symptoms ... - photopsia on eye ... syneresis • Vitreous hemorrhage ... Differential #Diagnosis #Ocular
A high-resolution 7.5- 10-MHz or higher linear array ultrasound transducer is used to perform an ocular
using a closed-eye ... rupture, vitreous hemorrhage ... , or retinal detachment ... retinal #detachment ... #vitreous #hemorrhage
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Subconjunctival hemorrhage ... Episcleritis Ocular ... Optic neuritis • Retinal ... Unilateral or bilateral symptoms ... #ocular #differential
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
in the inner retina ... and flame hemorrhages ... Hemorrhages • ... #Retinopathy #pathophysiology ... diagnosis #signs #symptoms
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs / Symptoms ... spread • Sub-retinal ... detachment • Red Eye ... Retinoblastoma #pathophysiology ... diagnosis #signs #symptoms
Clinical Features of Infective Endocarditis

General 
 - Malaise 
 - Clubbing 

Cardiac 
 - Murmurs
nodes - Splinter haemorrhages ... - Petechiae Eyes ... Conjunctival splinter haemorrhages ... Mycotic aneurysm Renal ... #Endocarditis #Symptoms
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
all coats of the eye ... - Impinges on ocular ... Impaired extra-ocular ... Orbital #Cellulitis #pathophysiology ... diagnosis #signs #symptoms
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
mucocutaneous changes, ocular ... musculoskeletal symptoms ... Psychiatric symptoms ... • Delusions Ocular ... : • Eye dryness
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
, vasculitis) Retinal ... vasospasm / retinal ... changes in gaze/eye ... Ocular causes - ... anterior chamber hemorrhage
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... • Loss of the eye ... non-functional eye ... #Xeropthalmia #pathophysiology ... diagnosis #signs #symptoms