of the eye to focus on nearby objects. the exact mechanism is still unknown, but age-related changes in the hardness, shape, and size of the lens have all been linked to the condition. ectopia lentis is the displacement of the lens from its normal position. aphakia is the absence of the lens from the eye. aphakia can be the result of surgery or injury, or it can be congenital. additional images mri scan of human eye showing lens. interior of anterior chamber of eye. the crystalline lens, hardened and divided. section through the margin of the lens, showing the transition of the epithelium into the lens fibers known as the bow region. the structures of the eye labeled another view of the eye and the structures of the eye labeled this svg file was configured so that the rays, diaphragm and crystalline lens are easily modified