Chalazion formation is commonly due to

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Multiple Choice

Chalazion formation is commonly due to

Explanation:
Chalazion forms when a meibomian gland in the eyelid becomes blocked, and the retained secretions provoke a sterile lipogranulomatous inflammation, creating a painless, firm nodule on the eyelid. This contrasts with an acute eyelid infection that would be painful and red. The other options involve different parts of the eye: clouding of the lens is a cataract, and retinal vessel occlusion affects the retina with vision loss rather than producing an eyelid lump.

Chalazion forms when a meibomian gland in the eyelid becomes blocked, and the retained secretions provoke a sterile lipogranulomatous inflammation, creating a painless, firm nodule on the eyelid. This contrasts with an acute eyelid infection that would be painful and red. The other options involve different parts of the eye: clouding of the lens is a cataract, and retinal vessel occlusion affects the retina with vision loss rather than producing an eyelid lump.

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