Well, yes, diabetes can lead to yellow eyes in some cases. And generally speaking, it is common for many people to have diabetes, and then some side effects in the eyes may occur too. For example, people with this disease will have retinopathy, cataracts, and glaucoma. And you should know that retinopathy is the most common disease which is related to diabetes. Also, yellow eyes, eye floaters can be possible too. By the way, it can lead to weaker blood vessels and have a high potential for problems later. Finally, blurred vision and floating spots will often occur. And if the yellow eyes occur because of diabetes, you should go and see the eye doctor.