This model provides a cornea-scleral shell for use with or without a YAG capsulotomy laser lens. Inside is an iris, anterior capsule membrane, an IOL, and a posterior capsule that will respond to Nd: YAG laser treatment. The eye needs to be filled with water prior to use. This model is considered single-use. However, multiple laser spots can be applied to each eye before it is consumed. Find more information on our online store: www.simuleye.com