Primary prompt
If you put Lora here, you may get an unexpected result.
... [color] eyes ...
ADetailer (eyes) prompt
More steps on eye detailer may produce a better outcome (the preview images used 40 steps)
the star of david iris, eye detail, [color] eyes <lora:the star of david iris:1>
Notes
If you are using the Civitai Generator, this LoRa cannot work because an ADetailer is required.