infection⚑ High burden in India

Corneal ulcer

, often resulting from is an or, more seriously, infective condition of the involving disruption of its layer with involvement of the corneal . It is a common condition in humans particularly in the tropics and in farming. In developing countries, children afflicted by vitamin A are at high risk for corneal ulcer and may become blind in both eyes persisting throughout life. In ophthalmology, a corneal ulcer usually refers to having an , while the term corneal abrasion refers more to a scratch injury.

Underlined words are explained — tap any of them.

Symptoms — what it feels like

·Pain, , blurry vision

Causes — why it happens

·, , viral, or protozoal ; disorders ( , [], rosacea)

Prevention

·Proper contact lens hygiene

Treatment

·, or antiviral eye drops

Complications

·Scarring, vision loss, , , cataract formation

Outlook

·Good with prompt treatment

Test yourself

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4 quick questions on Corneal ulcer. Tap an answer to check it.

1. A corneal ulcer usually refers to what?

2. Which symptoms are common with a corneal ulcer?

3. In developing countries, which children are at high risk of corneal ulcer and blindness?

4. For contact lens wearers, what helps prevent corneal ulcers?

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Plain-language summary adapted from Wikipedia. Not medical advice.