Sign from unsighted visionaries? (5)

I believe the answer is:

aries

I'm a little stuck... Click here to teach me more about this clue!

'sign' is the definition.
(star sign)

'unsighted visionaries?' is the wordplay.
'ARIES' is hidden in amongst the letters.
However, I'm not sure how the hidden word is indicated.

'from' acts as a link.

Can you help me to learn more?

(Other definitions for aries that I've seen before include "Sheep" , "A sign from Heaven" , "Ram star sign" , "star group" , "Stars" .)

I've seen this clue in The Sun.

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