If I oder this item and it is not what I am looking for, is it returnable? I am looking for a model of the eye that shows the lens, retina, viturous humor, macula and helps shows the diseases of the eye so I can explain to the public.

The return policy for all items are listed on the item detail page in the Return Policy section. The policy for this item isi currently: A valid return authorization number must be obtained within 30 days of item receipt. Returned merchandise must be in new, undamaged condition and in the original shipping container. All return shipments must be prepaid.