12 results
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal ... in the central retinal ... vision loss due to retinal ... #Fundoscopy #Central ... #Retinal #Vein
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
- Retina: Diabetic ... 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. ... Detachment • Macular degeneration ... retinopathy • Macular hole ... differential #diagnosis #ophthalmology ... #causes
Age-related Macular Degeneration on Fundoscopy Ocular Examination

Patient with age-related macular degeneration, with bilateral geographic atrophy, with
Fundoscopy Ocular ... with posterior pole ... #Retina #Ocular ... clinical #video #ophthalmology ... #Fundoscopy
Retinal Detachment
 - Posterior vitreous shrinks with advancing age (aka synchysis senilis), pulling on the retina.
Retinal Detachment ... with advancing age ... - Pulling can cause ... ) #Clinical #Ophthalmology ... #Fundoscopy #Retinal
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
shadows on the retina ... visual field defect are ... lattice degeneration ... tear/holeRetinal ... Diagnosis #Ocular #ophthalmology
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
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
from choroid to retina ... Nutrients cannot reach retina ... products from retina ... circulation into the retina ... blood under the retina
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
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Diagnosis Algorithm Cornea ... or Edema: • Age ... Related Macular Degeneration ... (Wet, Dry) Retina ... #Ophthalmology