Patent ID: 8137111

Claim:
A model human eye for use in practicing surgical techniques, comprising: a bowl-shaped substrate; a plurality of retinal layers stacked on said bowl-shaped substrate successively, wherein said plurality of layers comprises: a first retinal layer comprising a first color; a second retinal layer disposed over said first layer, wherein said second layer comprises a second color; and a third retinal layer disposed over said second layer, wherein said third layer comprises a third color, wherein the first color, the second color, and the third color differ; an integrally molded hemi-spherical-shaped top portion comprising a visually transparent cornea portion and a visually opaque sclera portion comprising an inner surface, wherein: said cornea portion comprises a center point and a peripheral edge; said center point is formed to comprise a minimum thickness between about 0.45 mm and about 0.55 mm; and said peripheral edge is formed to comprise a maximum thickness of between about 0.6 mm and about 0.8 mm; an annular iris continuously attached to said inner surface and extending inwardly therefrom; a lenticular bag continuously attached to said iris, wherein said iris in combination with said lenticular bag and said cornea portion define an anterior chamber; a first fluid disposed in said anterior chamber, wherein said first fluid comprises a first viscosity; wherein said top portion is attached to said base portion to define a posterior chamber; and a second fluid disposed in said posterior chamber, wherein said second fluid comprises a second viscosity, wherein said second viscosity is greater than said first viscosity; wherein said model human eye is structurally suited for practicing surgical techniques selected from the group consisting of: a retinal membrane peel; treatment of a choriodal neovascular membrane; argon laser trabeculoplasty; and Descemets Stripping Endothelial Keratoplasty.