I made a fake eye caustics shader node group just so I could make closeup eye renders like this - Finished Projects - Blender Artists Community

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The Making of Island House with Blender - Learn - Talk at Ronen Bekerman's Blog Community

Stylized Character Production Techniques in UE4, by 80Level

Fake Caustics in EEVEE :) - User Feedback - Developer Forum

Why can't Unity HDRP correctly render AAA looking character models? - Unity Forum

Stylized Character Production Techniques in UE4

Ubershader Course 03: Expanding the Shader: Fake Caustics, SSS, and Utility Effects

Realistic Eyes in Blender + Free Project - 3DArt

Nick Fury - Games Artist

The Making of the Night Elf - BlenderNation

Eye generator - cycles nodes - Finished Projects - Blender Artists Community

Making of Viktor –

ArtStation - Blender Procedural NPR Eye Generator

Steam Community :: Guide :: Digital Human Portrait Breakdown

Shipshape RenderMan Art Challenge