Keratitis: Difference between revisions
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***[[viridans group streptococci]] |
***[[viridans group streptococci]] |
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***[[Enterococcus faecalis]] |
***[[Enterococcus faecalis]] |
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***[[Peptostreptococcus |
***[[Peptostreptococcus]] |
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**Gram-positive bacilli |
**Gram-positive bacilli |
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***[[Bacillus coagulans]], [[Bacillus cereus]], [[Bacillus lichenformis]] |
***[[Bacillus coagulans]], [[Bacillus cereus]], [[Bacillus lichenformis]] |
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***[[Treponema pallidum]], mostly in congenital syphilis and presents in adolescence |
***[[Treponema pallidum]], mostly in congenital syphilis and presents in adolescence |
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***[[Borrelia burgdorferi]] |
***[[Borrelia burgdorferi]] |
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***[[Nocardia |
***[[Nocardia]], associated with surgery |
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*Mycobacteria |
*Mycobacteria |
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**[[Mycobacterium tuberculosis]] |
**[[Mycobacterium tuberculosis]] |
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**[[Coxsackievirus]] |
**[[Coxsackievirus]] |
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*Fungi |
*Fungi |
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**[[Fusarium |
**[[Fusarium]], the most common fungal cause |
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**[[Candida |
**[[Candida]] |
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**[[Aspergillus |
**[[Aspergillus]] |
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**[[Acremonium |
**[[Acremonium]] |
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**[[Alternaria |
**[[Alternaria]] |
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**[[Penicillium |
**[[Penicillium]] |
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**[[Bipolaris |
**[[Bipolaris]] |
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**[[Nosema |
**[[Nosema]] |
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**[[Vitaforma corneae]] |
**[[Vitaforma corneae]] |
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**[[Encephalitozoon |
**[[Encephalitozoon]] |
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*Parasites |
*Parasites |
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**[[Acanthamoeba polyphaga]], [[Acanthamoeba castellanii]], associated with contact lenses |
**[[Acanthamoeba polyphaga]], [[Acanthamoeba castellanii]], associated with contact lenses |
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**[[Onchocerca volvulus]] |
**[[Onchocerca volvulus]] |
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**[[Leishmania brasiliensis]] |
**[[Leishmania brasiliensis]] |
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**[[Trypanosoma |
**[[Trypanosoma]] |
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*Non-infectious causes |
*Non-infectious causes |
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Latest revision as of 16:45, 25 January 2022
Background
- Inflammation of the cornea
Etiology
- Bacteria
- Gram-positive cocci
- Gram-positive bacilli
- Gram-negative coccobacilli
- Gram-negative bacilli
- Other bacteria
- Chlamydia trachomatis
- Treponema pallidum, mostly in congenital syphilis and presents in adolescence
- Borrelia burgdorferi
- Nocardia, associated with surgery
- Mycobacteria
- Mycobacterium tuberculosis
- Mycobacterium chelonae, th most common NTM, which are associated with surgery
- Mycobacterium gordonae
- Mycobacterium mycogenicum
- Viruses
- Herpes simplex virus, the most common viral cause
- Varicella-zoster virus, which can occur before, during, or after a zoster eruption
- Adenovirus
- Vaccinia virus
- Epstein-Barr virus
- Measles virus
- Enterovirus
- Coxsackievirus
- Fungi
- Fusarium, the most common fungal cause
- Candida
- Aspergillus
- Acremonium
- Alternaria
- Penicillium
- Bipolaris
- Nosema
- Vitaforma corneae
- Encephalitozoon
- Parasites
- Acanthamoeba polyphaga, Acanthamoeba castellanii, associated with contact lenses
- Onchocerca volvulus
- Leishmania brasiliensis
- Trypanosoma
- Non-infectious causes
Clinical Manifestations
- Red, painful eye with foreign body sensation
- Decreased visual acuity
- Tearing ± purulent discharge (depending on etiology)
- Corneal edema
- Fluorescein dye may help visualize corneal ulcerations
