This is a Scene bundle for Marmoset 4 with a Refraction workflow. 

16 x eye iris texture maps in separate folders to make it easy to use in other software.

This bundle contains:
16 x Iris Materials
1 x Sclera Material
3 x Eyball models: Low, Medium and Hi poly in fbx format.
1 x sclera texture maps in its own folder.

The texture maps contain:

Iris:
Height Map
Normal Map
Basecolor Map
Roughness Map
Ambient Occlusion Map
Emissive Map

Sclera:
Normal Map
Basecolor Map
Roughness Map
Ambient Occlusion Map
Refraction_mask
Refractive Index Map