Buddha's eye is Buddha, and Buddha is Buddha's eye. In short, any concept of relativity that you can refer to no longer exists in the present Buddha. Even "emptiness" does not exist, because "emptiness" is Buddha, and Buddha is "emptiness". It's one of the five eyes in the Sutra. Buddha is the one who feels, and the eye of the one who feels is called Buddha's eye. That can see everything, with extraordinary vision.

Buddhism has a history of more than 250000 years. There are too many choices in the tattoo of Buddhism, among which there are Buddha eyes tattoos. There are also many types of tattoos about Buddha eye. When tattooers choose it, they think that the tattoo can bring unlimited blessings and everything is smooth.

Source: @maarten_van_der_ven