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Ophthalmology

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Cornea

Question
15 out of 52
 

Satellite nodule on a corneal ulcer is seen due to(LQ)



A Fungal infection
B Bacterial infection

C Viral infection
D Mycoplasma infection

Ans. A [Fungal infection]Q

1. Signs - A typical fungal corneal ulcer has following salient features

a. It is dry-looking grayish-white, Qwith elevated rolled out margins.

b. Delicate feathery finger like extension are present into the surrounding stroma under the intact epithelium

c. A sterile immune ring (yellow line of demarcation) present (Wessely’s ring)

d. Multiple, small satellite lesions may be present around the ulcer

e. Thick immobite hypopyon, Qwhich is infected

f. Corneal vascularization is conspicuously absent. Q

2. Treatment Q

a. Topical

i. Filamentous infection - Natamycin 5%

ii. Candida - Imidazole 1 % or flucytosine

b. Systemic - antimycotics may be required for severe keratitis

c. Therapeutic penetrating keratoplasty - may be required in unresponsive cases

Cornea Flashcard List

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