4 - Opth - Acute red eye - Keratitis Flashcards Preview

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Flashcards in 4 - Opth - Acute red eye - Keratitis Deck (13):
1

what is keratitis

corneal inflammation usually due to infection

2

What is corneal abrasion

epithelial breach due to trauma - risk of infection - chloramphenicol prophylaxis

3

Bacterial keratitis - usually when?

following corneal abrasion or prolonged contact lens wear

4

Bacterial keratitis - presentation - SIGNS

epithelial defect appears green with flourescein
white cell infiltrate
may be hypopyon

5

Presentation of bacterial keratitis

circumcorneal/diffuse redness
pain/FBody sensation
photophobia
discharge
REDUCED VA

6

MGMT bacterial keratitis

topical AB's
cycloplegia and analgesia for pain

7

Viral keratitis - which viruses

HSV (usually 1) or Varicella zoster

8

Other types of keratitis?

Fungal --> RF's - trauma, immuno-suppression
signs - grey elevated infiltrate with feathery edges +/- satellite lesions +/- epithelial defect

9

Presentation of HSV keratitis

pain, photophobia, redness, reduced VA

-decreased corneal sensation, superficial dendritic ulcers

10

MGMT of HSV keratitis

antivirals (aciclovir), cycloplegia, analgesia
DO NOT use steroids - rapid progression of infection

11

MGMT of VZV keratitis

pain, photphobia, redness, reduced VA, Neuralgia, macular papular rash, ulceration and keratitis in ~65%

12

Complications of VZV keratitis

posterior uveitis, optic neuropathy, CN palsies, uveitic glaucoma

13

MGMT of VZV keratitis

systemic antivirals, lubricating eye drops, +/- topical corticosteroids

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