33 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
-> Goblet cell loss ... of the eye • ... non-functional eye ... #Xeropthalmia #pathophysiology ... #ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Vision Loss - Differential ... Chronic: - Cornea ... Painful: Keratitis, Corneal ... amouradmd #Vision #Loss ... Diagnosis #causes #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 ... vision → visual loss ... in vision • Eye ... with or without eye ... differential #diagnosis #ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
: • Corneal abrasion ... caustic exposure to eye ... : • Retinal detachment ... or hemorrhage, Retinal ... diagnosis #causes #ophthalmology
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
Transmission -> Eye-seeking ... of the limbal cornea ... Lubrication • Dry eye ... Trachoma #Chlamydia #pathophysiology ... #ophthalmology
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
(ex. cornea, lens ... point behind the retina ... Light rays require less ... #Hyperopia #pathophysiology ... #ophthalmology
Seesaw nystagmus 
-> eye move in an opposed vertical fashion (one goes up while the other
nystagmus -> eye ... , eye moving down ... can be either pendular ... trauma, lack or loss ... Seesaw #nystagmus #ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Conjunctivitis, corneal ... Blepharitis Cornea ... partial visual loss ... • Corneal ulcer ... differential #diagnosis #ophthalmology
Amblyopia ("Lazy Eye"): Pathogenesis and clinical findings
Amblyopia => 
Interruption of visual stimulation during childhood visual development
Amblyopia ("Lazy Eye ... the amblyopic eye ... primary visual cortex ... Amblyopia #LazyEye #pathophysiology ... #ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
all coats of the eye ... Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... #ophthalmology