13 results
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Pathogenesis and Clinical ... of the bulbar conjunctiva ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... #ophthalmology
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
Pathogenesis and clinical ... Transmission -> Eye-seeking ... from nasal or ocular ... Trachoma #Chlamydia #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
Conjunctiva/Sclera ... Anterior Chamber ... Ocular Adverse Effects ... • Iritis Conjunctiva ... differential #diagnosis #ophthalmology
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Approach to an Eye ... Sclera/ Conjunctiva ... Cornea D. ... Anterior Chamber ... Lens G.
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
like the sclera, anterior ... Episcleritis Ocular ... vein occlusion Conjunctiva ... #ocular #differential ... #diagnosis #ophthalmology
Onchocerciasis “River Blindness”: Pathogenesis and Ocular Manifestations
Vectorial Transmission
-> Onchocerca volvulus, a parasitic helminth, matures in to
Pathogenesis and Ocular ... Microfilariae enter the eye ... directly from the conjunctiva ... stromal keratitis -> Corneal ... #ophthalmology
Aqueous Humor Production and Drainage
 • Provides nutrition, removes wastes, and transports neurotransmitters to the avascular
the avascular lens ... and cornea ... structural integrity of ocular ... #Pathophysiology ... #ophthalmology
Normal eye - Anterior chamber (a): Located between hyperechoic cornea anteriorly and iris posteriorly Lens (L):
Normal eye - Anterior ... between hyperechoic cornea ... iris posteriorly Lens ... #EM #Ophth #POCUS ... #Ocular #Normal
FIGURE 2. UVEITIS.  COURTESY OF WIKIMEDIA COMMONS AND JONATHAN TROBE, MD.

The classic symptoms of anterior
classic symptoms of anterior ... include: - Painful eye ... the edge of the cornea ... adherence of iris to lens ... ) #Clinical #Ophthalmology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
Pathogenesis and Clinical ... -> crowding of ocular ... resistance to the flow ... obstruction • Corneal ... #ophthalmology