36 results
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Vision Loss - Differential ... Diagnosis Chronic ... : - Cornea: ... Painful: Keratitis, Corneal ... Diagnosis #causes #ophthalmology
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
-> Goblet cell loss ... production -> Corneal ... Perforation • Loss ... #Xeropthalmia #pathophysiology ... #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
Cornea 5. ... Trauma Cornea ... Keratitis • Corneal ... vision → visual loss ... differential #diagnosis #ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Chronic Vision Loss ... Diagnosis Algorithm Cornea ... Degeneration (Wet, Dry) Retina ... night vision, loss ... Algorithm #Causes #Ophthalmology
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Signs / Symptoms / Complications ... Opacities -> Vision loss ... Sudden Vision Loss ... #Keratoconus #pathophysiology ... #ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Painful Vision Loss ... : • Corneal abrasion ... : • Retinal detachment ... or hemorrhage, Retinal ... diagnosis #causes #ophthalmology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal ... Occlusion (CRVO) - Pathophysiology ... cause of vision loss ... due to retinal ... ) #Clinical #Ophthalmology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
into the deeper retinal ... macula, and/or retina ... Retinopathy #Diabetes #ophthalmology ... #diagnosis #complications ... #pathophysiology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Chronic Hypertensive ... • Acute and chronic ... #Retinopathy #pathophysiology ... #ophthalmology ... signs #symptoms #complications
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
of the eye (ex. cornea ... point behind the retina ... Light rays require less ... #Hyperopia #pathophysiology ... #ophthalmology