They help night drivers to see Stacy crossing (8)

I believe the answer is:

catseyes

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'they help night drivers' is the definition.
I don't know anything about this answer so I can't judge whether it can be defined by this definition.

'see stacy crossing' is the wordplay.
'see stacy' can be anagrammed to 'CATSEYES'.
However, I am unsure how the anagram is indicated.

'to' is the link.

Can you help me to learn more?

I've seen this clue in The Irish Independent.

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