Should you biopsy this eye lesion for diagnosis?

A 65-year-old man presents with a unilateral red left eye.

ocular surface squamous neoplasia ossn

He has noticed a lesion in his eye increasing in size over the past six months.

It is associated with localised redness and irritation. His right eye is asymptomatic.

He has lived in Queensland all his life, working primarily as a farmer. He rarely wears sunglasses.

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