A computer implemented method, apparatus, and computer usable program code for managing a server cluster. The first and second surfaces are spaced apart a distance so that the implanted prosthesis exerts an outward force on the flap of the scleral pocket which results in an outward traction on at least the anterior margin of the scleral pocket. The insulative material is formed by placing the reinforcing mesh within a mold, wherein the introduction of a heated expanded polystyrene, for example causes the coating on the reinforced mesh 1 to bond with the polystyrene to create a reinforced insulative material after the composite material cools. Once electrons drop to the energy level of the anode, they lose energy to the lattice, thus heating the lattice at the anode. If the control device adopts the second observation method, the data reducing unit reduces a data amount of the image signal to be transmitted to the control device per unit time such that a transmission rate indicating the data amount of the image signal per unit time is acceptable to the control device that adopts the second observation method. In one embodiment, audio information is provided through one or more transducers that couple sound through bones.