Yes, diabetic can cause some eye problems, including the dryness of the eyes. If you have the diabetic problems, you'd better take care of your diet and rest, eating less sugar. Your damaged eyes could be reversed through the good method of warm compress and using eyes drops. You should eat more food with vitamin C to moisture the eyes.
Well, yes, it can cause many eye problems in some degree. So you need to pay more attention to it. First, you should know that if you have got diabetes, retinopathy, which is the most common disease related to diabetes can occurs. For other symptoms, cataracts, and glaucoma even blurred vision and floating spots, eye floaters can be possible too. But on the other hand, there are no quick treatments for it. Maybe you need to go and see the eye doctor, and he can give some advices.