11 results
Central Retinal Vein Occlusion (CRVO)
Clinical:
 • Sudden, painless, monocular loss of vision 
 • "Blood and
Central Retinal ... Vein Occlusion (CRVO ... painless, monocular loss ... #Ophthalmology ... #Emergency
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal ... in the central retinal ... of vision loss ... due to retinal ... #Retinal #Vein
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... painless, complete loss ... vision • Pale retina ... Diagnosis #Clinical #Fundoscopy ... #Emergency
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
degeneration - Retina ... Lens Dislocation, Retinal ... Detachment, Central Retinal ... Occlusion, Central Retinal ... Optic Neuropathy, Retinal
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Retina 11. ... nerve swelling Retina ... vision → visual loss ... differential #diagnosis #ophthalmology ... #causes
Central Retinal Artery Occlusion (CRAO)
Anatomy: First branch of the internal carotid artery is the ophthalmic artery
Central Retinal ... ciliary and central retinal ... #Clinical #Ophthalmology ... #Fundoscopy #Central ... #Retinal #Artery
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Accommodation, RAPD ... Cornea D. ... Fundoscopy A. ... Retina B. ... EyeExamination #Approach #Ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
: • Corneal abrasion ... : • Retinal detachment ... or hemorrhage, Retinal ... differential #diagnosis #causes ... #ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
vessels Alarm (Emergent ... Optic neuritis • Retinal ... detachment • Central retinal ... occlusion • Central retinal ... differential #diagnosis #ophthalmology
Posterior Vitreous Detachment
 - Most common cause of retinal holes and tears 
 - May lead
- Most common cause ... of retinal holes ... - May lead to rhegmatoqenous ... retinal detachment ... changes warrant emergent