Tecnis Symfony Extended Depth of Focus IOL

Understanding Your Vision Identifying your particular vision changes can bring you one step closer to the vision of your life. Cataracts is a condition of the eye where the lens becomes cloudy, making images fuzzier. Your vision with cataracts is cloudy or dark in some areas or across your whole field of vision, and may cause: • Difficulty driving • Difficulty seeing at night • Difficulty viewing a computer screen, a phone or tablet • Colors to appear dim and faded • Frequent change in glasses prescription s In an eye with presbyopia, the natural lens has increasing difficulty focusing on intermediate and near objects. Light fails to reach a single point on the retina when viewing objects up close and instead focuses on a point behind the retina. Common symptoms may include: • Losing your ability to read up - close • Cloudier or fuzzier vision at near distance • Difficulty viewing a computer screen, a phone or tablet • Needing reading glasses or bifocals • Holding objects further away to read FOCAL POINT IS BEHIND THE RETINA. FOCAL POINT DOES NOT FOCUS SHARPLY ON THE RETINA. In a healthy human eye, the cornea is round in shape like a basketball. Astigmatism occurs when the cornea is shaped more like a football. When light passes through a cornea with astigmatism, the image does not focus sharply on the retina, causing blurred vision. LIGHT CORNEA (OBLONG) IRIS CRYSTALLINE LENS LIGHT LIGHT LIGHT IS SCATTERED, RESULTING IN FUZZY VISION. WHAT IS A CATARACT? WHAT IS PRESBYOPIA? WHAT IS ASTIGMATISM?