• A practice surgery device used for training novice ophthalmic surgeons employs an inflatable bladder that supports a human bank scleral shell. The sclera is used for placement of sutures. A.light source and universal joint to support a syringe are mounted on a 25 × 15-cm base. Glycerin-preserved sclera is available from many eye banks. Up to 100 practice sutures may be placed in each scleral shell. This device allows the beginning surgeon the opportunity to obtain a feel for needle passage through tissue. Technique for the use of loupe or microscope magnification can also be developed. In addition, a deflation of the scleral "globe" occurs when a needle is placed too deeply. This emphasizes the need of superficial suture placement.
Eugene M. Helveston, Arthur C. Coffey. Surgical Practice KitOphthalmic Suture Simulator. Arch Ophthalmol. 1986;104(6):923–924. doi:10.1001/archopht.1986.01050180157050