30 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
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner ... • Meningeal signs ... ) • Systemic symptoms ... and signs (e.g. ... lesion • CNS infection
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
hypothalamus, and visual cortex ... - Autonomic symptoms ... meningeal irritation signs ... Disorder of the eyes ... glaucoma - Ocular
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Contact lens use • Eye ... Bilateral, asymmetric corneal ... / Symptoms / Complications ... • Corneal Opacities ... #Keratoconus #pathophysiology
Complications of Measles: Pathogenesis and Clinical Findings
 • ADEM -> Fever, headache, neck stiffness, BBD, mental
ADEM -> Fever, headache ... Opportunistic infections ... Complications #diagnosis #signs ... #symptoms #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
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
Anaplasma Infection ... phagocytophilum Pathophysiology ... within morulae Signs ... and symptoms: ... bite • Fever, headache
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