21 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
• Loss of the eye ... non-functional eye ... #Xeropthalmia #pathophysiology ... #ophthalmology ... #diagnosis #signs
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Contact lens use • Eye ... -> Vision loss ... Striae • Sudden Vision ... #Keratoconus #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
Anatomical Approach to Eye ... Concussion Other Causes ... or without eye ... differential #diagnosis #ophthalmology ... #causes
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
may alter where ... (ex. cornea, lens ... -> Blurry near vision ... #Hyperopia #pathophysiology ... #ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Loss: • Corneal ... caustic exposure to eye ... caustic exposure to eye ... differential #diagnosis #causes ... #ophthalmology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Occlusion (CRVO) - Pathophysiology ... Second most common cause ... of vision loss ... ) #Clinical #Ophthalmology ... #Fundoscopy #Central
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... #ophthalmology ... #diagnosis #signs
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
can be caused by ... Common Causes: ... any subjective vision ... Complete vision ... differential #diagnosis #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Diplopia - Double Vision ... • Examine both eyes ... Functional • Corneal ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
damage & blindness Signs ... obstruction • Corneal ... sparring) • Loss of vision ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology