Poor thing looks dehydrated. I would soak him for 15 minutes daily in a bath at 85*F, and keep his humidity higher than normal. Hopefully that will come off with his next shed, if not sooner.
Re: I just rescued a 2000g male who seems to have a retained eye cap
It looks to me more like someone has removed the spectacle and the eye has been exposed and damaged.
Derek
7 adult Royals (2.5), 1.0 COS Pastel, 1.0 Enchi, 1.1 Lesser platty Royal python, 1.1 Black pastel Royal python, 0.1 Blue eyed leucistic ( Super lesser), 0.1 Piebald Royal python, 1.0 Sinaloan milk snake 1.0 crested gecko and 1 bad case of ETS. no wife, no surprise.