You can use this kind of lens when you have no abnormalities with the eyeball structure and have simple white coating, leukoma, nebula, or faint turbidity on the cornea. It can cover the exposed area of your concern. It feels comfortable to wear, it causes no foreign substances including eye mucus, and it is light and good at moving. You can use this artificial eye when your kid has one eye removed due to retinoblastoma or lost eyesight on one of the eyes, which accordingly does not grow in proportion with the other normal eye due to congenital microphthelmia or other causes. Since your kid is in the stage of physical growth, you need to increase the eye socket of the artificial eye on a regular basis(six months to 12 months) and change the size of the eye according to the growing bone structure. A light artificial eye has a vacuum inside. It's lighter than a general artificial eye by 50% up to 70%. Its specific gravity is much lower than that of water. In addition, it can resolve the objection of the eye due to its weight and reduce the sagging of the lower eyelid, which phenomena usually take place with a general artificial eye. Developed by Pyeonghwa Research Institute of Artificial Eyes, the light artificial eyes have a patent for their manufacturing method for human use purposes. You can use this type of artificial eyes when you have your cornea contracted or fail to form the desired curvature because of an injury. It covers the corneoscleral part by a thin layer and is able to turn freely along the eyeball. The protrusion helps the upper and lower eyelid sink and thus become invisible. ------------- ------------- --------------