瑜伽論記 1.469

1.469

自地眾生得天眼者，可見用故，或言無影，影即逈色，逈色亦無，不同彼宗，無業招故無用故。

Sentient beings of that stage who obtain the divine eye can see it, hence it has a function. Or it is said that having no shadow means that shadow is distal form, and distal form is also absent; this is not like that school, because it is not summoned by karma and has no function.