Presbyopia (Greek word "presbys" (πρέσβυς), meaning "old man" or "elder", with Latin root "-opia", meaning "eye"Direct translation courtesy of Merriam-Webster.com) describes the condition where the eye exhibits a progressively diminished ability to focus on near objects with age. Presbyopia's exact mechanisms are not known with certainty, however, the research evidence most strongly supports a loss of elasticity of the crystalline lens, although changes in the… (More on Presbyopia)