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QH 3303 Human functional Eye
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 structures can be removable. With the flexible lens, the model can focus an image on the retina, demonstrates far and short sight, and their corrections. 1. Need battery. 2. Needs power supply.
Size (cm): 17*17*22
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