In this type of lens, chips are repaired (8)

I believe the answer is:

aspheric

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'in this type of lens' is the definition.
The definition and answer are not the same part of speech.

'chips are repaired' is the wordplay.
'repaired' is an anagram indicator.
'chips'+'are'='chipsare'
'chipsare' is an anagram of 'ASPHERIC'.

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I've seen this clue in the Sydney Morning Herald.

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