a segmented scleral expansion band adapted for implantation within or fastening to a segment of the sclera of an eye lying outside of and adjacent to the ciliary body of the eye , is formed from a number of arcuate segments , curved to match the curvature of the globe of the eye , and joined together at each end to form a complete scleral expansion band . the band is implanted in the sclera of the eye by forming circumferential tunnels , inserting the band segments through the tunnels , and joining the ends of the segments to form a complete scleral expansion band . the scleral expansion band is useful in treating presbyopia and other ocular disorders .