37 results
Posterior Vitreous Detachment: Pathogenesis and clinical findings

Separation of the cortical vitreous from the neurosensory retina posterior
Posterior Vitreous ... Detachment: Pathogenesis ... Detachment -> ... Perifoveal hyaloid detachment ... #Detachment #pathophysiology
Retinopathy of Prematurity: Pathogenesis and clinical findings
Increased metabolic demand of growing eye
-> Excessive VEGF production ->
Retinopathy of Prematurity ... -> Neovascular complications ... ridge into the vitreous ... complete retinal detachment ... peds #pediatrics #pathophysiology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Vitreous 9. ... Hyperglycemia Vitreous ... Retina: • Detachment ... Concussion Other Causes ... ophthalmology #causes
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Signs / Symptoms / Complications ... Spheroid mass in vitreous ... - Retinal detachment ... Retinoblastoma #pathophysiology
Posterior Vitreous Detachment
 - Most common cause of retinal holes and tears 
 - May lead
Posterior Vitreous ... Most common cause ... Posterior vitreous ... cause floaters, ... #Posterior #Vitreous
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Diabetic Retinopathy ... retinal ischemia causes ... #Diabetic #Retinopathy ... ophthalmology #diagnosis #complications ... #pathophysiology
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
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Chronic Hypertensive Retinopathy ... hyalinization causes ... #Hypertensive #Retinopathy ... #pathophysiology ... signs #symptoms #complications
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Occlusion (CRVO) - Pathophysiology ... Second most common cause ... disease (Most common cause ... : Diabetic retinopathy
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Retina: Diabetic retinopathy ... Dislocation, Retinal Detachment ... Differential #Diagnosis #causes