Transparent object look wrong when far fromt center

Hi, why when i move object (with trasparent) far from the center of the world, he start to look not good?
here are two copies of the same eye and in the center of the world it look good, but when i move the eye away from the center its look broken?
(i use 2.79 but also in 2.8 it have the same problem)
image

How far is far? Accuracy in floating point math is always greatest near origo.
Modelling things on the moon would probably cause accuracy issues, both modelling and rendering.
One way around this is to reposition everything so you’re close to origo.

check your light set up !

happy cl

My suspicion is that this has to do with bounces in the render settings. Although I’m not entirely sure why.