Implantable Telescope for the Eye
April 2, 2009 | Source: Technology Review
VisionCare Ophthalmic Technologies has developed a miniature telephoto lens that can be implanted into the eye and could soon help people with vision loss from end-stage macular degeneration.

(VisionCare)
Because only the central parts of the retina are damaged in the disease, magnifying the image on the eye allows the retinal cells outside the macula to detect the object and send that information to the brain.