I would say that both rely on seeing, and either way, you would still have disadvantage to see, using perception.
Clairvoyence uses your sight.
And the arcane eye still 'sees'.
Neither see thru magic.
"While holding the staff, you can use an action and expend 1 charge to cause a swarm of harmless flying insects to spread out in a 30-foot radius from you. The insects remain for 10 minutes, making the area heavily obscured for creatures other than you. The swarm moves with you, remaining centered on you. "
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