Well, more than likely it's a irritation from the blood suckling that these parasites do. Don't panic though bc your animal does have his inner immune system that will help along the way. Keep your temps and humidity at optimum ranges. I would consider the exotic vet of course bc you will need the professional advice and or treatments. Mites are disease producing vectors and need to be managed, and eradicated completely. The eyes are critical body parts and need appropriate medical intervention at times.