NHS worker adapted to intense daylight (6,9)

I believe the answer is:

dental hygienist

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'nhs worker adapted to intense daylight' is the definition.
I can't judge whether this defines the answer.

'nhs worker adapted to intense daylight' is the wordplay.
'intense daylight' can be anagrammed to 'DENTAL HYGIENIST'.
Though, I'm not sure how this is indicated.

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I've seen this clue in The Guardian.

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