23 results
Astigmatism: Pathogenesis and clinical findings
Astigmatism - deviation from spherical curvature of the lens or eye

Refracting power
: cornea is steepest ... : cornea is steepest ... • Headache • Ocular ... #pathophysiology ... #ophthalmology
Amblyopia - Lazy Eye - Differential Diagnosis Algorithm
Deprivational - Obstruction of Visual Axis:
 • Ptosis
 •
• Congenital Corneal ... Hyperopia • Astigmatism ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... production -> Corneal ... conjunctiva and cornea ... #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
Ocular Adverse Effects ... abrasion • Astigmatism ... Concussion Other Causes ... differential #diagnosis #ophthalmology ... #causes
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
from nasal or ocular ... of the limbal cornea ... the peripheral cornea ... Trachoma #Chlamydia #pathophysiology ... #ophthalmology
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Ocular Movements ... Cornea D. ... Fundoscopy A. ... Blood Vessels #Ocular ... EyeExamination #Approach #Ophthalmology
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Orbital Cellulitis Ocular ... Conjunctivitis • Corneal ... • Keratitis/Corneal ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Chronic: - Cornea ... Cataracts - Macula: Macular ... Painful: Keratitis, Corneal ... Differential #Diagnosis #causes ... #ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
- Impinges on ocular ... Impaired extra-ocular ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... #ophthalmology
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 ... ) #Clinical #Ophthalmology ... #Fundoscopy #Central