> [Liquid used in eye-exam to dilate the pupils, is that best be avoided?] It’s usually a synthetic variant of atropine, and I don’t think there has been enough research to be sure, but the main thing to worry about would be the antiseptic-preservative with it. > [Contact lenses] I think they would become uncomfortable if they were damaging the tissues. > [Bloodshot eyes] Enlarged vessels in the eye, especially if there's yellow around them, are suggestive of a B vitamin deficiency, especially B2, but there are no really safe supplements of B2, so having liver once a week would be reasonable. [Source](https://lowtoxinforum.com/threads/ray-peat-email-advice-depository.1035/post-230414) > [Eye floaters] Avoiding stress, with occasional liver in the diet, regular eggs, to keep the vitamin intake high. [Source](https://lowtoxinforum.com/threads/ray-peat-email-advice-depository.1035/post-230414)