LAMBBAA Vintage Square Progressive Multifocal Presbyopic Glasses, Photochromic Gray Sunglasses for Men Women Readers (Dark Tortoise, 0.00/+2.25 Magnification)

• [Dimension]Lens width:52MM, Bridge width:18MM, Arm length:142MM [Three Levels of Vision]Progressive multifocus glasses for all your need. Top part is half-power magnification for walking, shopping. The middle part is slightly reduced power magnification for working on computer, watching TV, etc. The bottom part of the lens is full-power [Photochromic Lenses]Photochromic lens is a lens that becomes dark when exposed to a certain wavelength of light (usually ultraviolet light).When it is no longer illuminated by this light source, it will return to its original light transmittance and become clear. [Notes]It will take some time to adapt after you wearing the multi-focus reading glasses.We suggest you at least try the glasses on for a week, then if there's anything need our assistance, please contact us. [Service]We stick to pay attention to product quality, if there's any quality problems please feel free to contact us.