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Charis & Ellie vs Ophthamology > Keratitis > Flashcards

Keratitis Flashcards

1
Q

What is keratitis?

A

Inflammation of cornea

Often caused by corneal abrasion

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2
Q

Viral cause of keratitis?

A

Adenovirus

Herpes simplex

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3
Q

Bacterial causes of keratitis?

A
  • Staph
  • Strep
  • Pseudomonas
  • Acanthamoeba
  • Herpetic
  • Fungal
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4
Q

What type of people get acanthamoeba keratitis?

A

Contact lens wearers

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5
Q

Symptoms of keratitis?

A
  • Pain (needle-like and severe)
  • Photophobia
  • Reduced visual acuity
  • Epiphora (XS lacrimation)
  • Red eye
  • Opacity
  • Bacterial (hypopyon)
  • Herpetic (very painful)
  • Fungal (slow growing)
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6
Q

Diagnosis of keratitis?

A

Fluorescein

Corneal scrape

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7
Q

Treatment of kertitis?

A
  • Admission for hourly ofloxacin eye drops
  • Gentamicin + cefuroxime: if strep pneumoniae
  • Steroids
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8
Q

What is bacterial keratitis?

A

Infection of the cornea caused by bacteria

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9
Q

What do gram negative bacterial keratites tend to be caused by?

A

Contact lens related

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10
Q

Presentation of bacterial keratitis?

A

Hypopyon (pool of WBC)

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11
Q

Investigation for bacterial keratitis?

A

Corneal scrape

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12
Q

What is adenoviral keratitis?

A

Infection of cornea caused by adenovirus

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13
Q

Presentation of adenoviral keratitis?

A

Subepithelial infiltrates

  • Bilateral
  • Usually follows URTI
  • Contagious
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14
Q

Treatment of adenoviral keratitis?

A

Antiviral (acyclovir)

-Steroid can speed up recovery if becomes chronic

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15
Q

What is fungal keratitis?

A

Infection of the cornea due to fungus

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16
Q

Which keratitis is common in contact lens wearers?

A

Fungal keratitis

17
Q

What viruses cause contact lens wearer keratitis?

A

Acanthamoeba

Pseudomonas aeruginosa

18
Q

Fungal keratitis is the most painful keratitis. True or false?

A

False: less painful than others

19
Q

Treatment of fungal keratitis?

A

-Antifungals
(natamycin or voriconazole drops)
-Pain relief

20
Q

Treatment of acanthamoeba caused keratitis?

A
  • Anti-spetics (chlorohexidine every 30 mins for 6 weeks)

- Antifungal (itraconazole or voriconazole drops)

Charis & Ellie vs Ophthamology (40 decks)

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