The upper half of the sclera with cornea and eye muscle attachments, both halves of choroid with iris and retina, lens and vitreous humour are removable.
This model is three times full size.

Biology School Lab Equipment Suppliers in India 

Ltekonline are the manufacturers of Eye 3 Times Full Size Model Human Biology Equipment Lab used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Biology Laboratory Equipment for Engineering Teaching Lab in Universities