20 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... • Loss of the eye ... #Xeropthalmia #pathophysiology ... ophthalmology #diagnosis #signs ... #symptoms
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
Factors -> Bacterial infection ... Transmission -> Eye-seeking ... from nasal or ocular ... Lubrication • Dry eye ... Trachoma #Chlamydia #pathophysiology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Impaired extra-ocular ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... ophthalmology #diagnosis #signs ... #symptoms
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Contact lens use • Eye ... > Keratoconus Signs ... / Symptoms / Complications ... • Rizutti's Sign ... #Keratoconus #pathophysiology
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
Note: Eye exam ... normal: - extra-ocular ... Periorbital #Cellulitis #pathophysiology ... ophthalmology #diagnosis #signs ... #symptoms
Fusarium Eye Infections - Keratitis and Endophthalmitis
Fungal Keratitis is an infection of the cornea that is
Fusarium Eye Infections ... of the cornea that ... will result in corneal ... hours-days of symptom ... Endophthalmitis #ocular
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Conjunctivitis, corneal ... Episcleritis Ocular ... Foreign body • Infectious ... Unilateral or bilateral symptoms ... #ocular #differential
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
present with a red eye ... -> crowding of ocular ... damage & blindness Signs ... obstruction • Corneal ... ClosedAngle #Glaucoma #pathophysiology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Mutism Pathophysiology ... the bilateral cortex ... light reflex • Corneal ... • Vestibulo-ocular ... • Examine for signs
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
resolution of infection ... Through lateral cortex ... -> Petrositis (infection ... #Mastoiditis #pathophysiology ... #signs #symptoms