An excellent type to study the functions of the human eye.
The eyeball has a horizon cut,the upper half of eyeball wall and the inner structrues can be removable.
With the fexible lens,the model can focus an image on the retina,demonstrates far and short sight,and their corrections.
Need battery
Needs power supply.
Size(cm):17x17x22
Sichuan Machinery Tools I/E Co., Ltd.