4m x 3m Omlet pen, cube, new auto door still boxed and coop light

[Chickaboo]

I put a post on a couple of weeks ago about Phoebe , who is currently going through the moult as I was concerned that her eyelids, ears etc were yellow! She has been eating a lot of corn and butternut squash, so I believe that could be the cause. But I noticed the other day that the corners of the insides of her eyes appear a deep red/purple colour. This is only really noticeable when she moves them and then if you look very hard (they may have always been like that, and I'm getting a bit paranoid ); theres no inflammation, discharge or general soreness and she seems well if a little quiet (which I am putting down to the moult). Could there be anything I am missing? Are there any conditions that could cause this? My first concern with the yellow was obviously jaundice.