1. This model is suitable for middle schools on physiological health courses for visual AIDS.Model is used to display the human eye anatomical structures, such as eye QiuBi three membrane (outer and inner membrane, the membrane) and populate the internal main index, lens and vitreous body. 
2. This model is made from PVC, according to the physical 6 x magnification, placed in a plastic seat, size: 15.5 CM.