Half Frame Progressive Multifocus Reading Glasses Anti Blue Light,Semi Rimless Readers For Men

Product description Multifocal glasses are useful for people who suffer from presbyopia Presbyopia is a condition in which the eye loses the ability to focus on near objects. Typically, this condition occurs in people aged 40 and above. We researched the pros and cons of top-rated multi-focal lenses and narrowed them down to the seven best multifocal lenses for your glasses. Progressive multifocus Distance Top part is half-power magnification for walking, shopping and so on. Trasition The middle part is slightly reduced power magnification for working on computer, watching TV, etc. Reading The bottom part of the lens is full-power magnification, then used for nearly distance reading. Function Description Advantages And Disadvantages Some people may not get used to or feel dizzy for the first time, (Low power may make you feel like normal lenses, high power might cause dizziness)，which may take 1-3 weeks time to adapt. After that time, your eyes will automatically be accustomed to new lenses. Advantages of this glasses Wide field of vision Looking closer,the posture is natural From far to near, the eyes will be more comfortable Disadvantages: There are deformation areas under the left and right sides of the lens, which makes the image blurry and irregular. Just wearing glasses, walking will be uncomfortable and it takes 1-3 weeks to get used to it. In addition, it has a narrower field of view in the near and middle distances, and long-term concentration on the narrow focal point can easily make the eyes tired. Suitable for people who need to alternate between distant, medium, and near vision.