Specifications:Gender: UnisexAdjustable Focus: -4.5D to3.0DLens material:PCFrame material:PAColor: BlackFeature:1. Before putting on the glasses, notice that there are dials on the side of each lens. This is important to note as adjustments will be done through that dial / small knob.2. Adjustable Focus Glasses Dial Vision Near and Far Sight, Wear glasses as normal.3. To start adjusting the lens grade, cover one eye then adjust the dial on the opposite side (the eye with visibility) E.g. Cover left the eye, adjust right lens dial. The cover right eye, adjust left lens dial.4. Flexvision Self Adjusting Glasses, Do adjustments on both lenses one at a time.5. Adjustable Focus Glasses Near and Far Sight, If vision is still slightly blurry, you can repeat step 3 as necessary.Instructions for use: 1. Cover one eye with your hand while the other hand rotates the knob forward or backward until you can see the object.2. Cover the other eye and repeat the above steps.3. After the left and right eyes are adjusted separately, fine-tune the left and right rotation buttons with both hands to know the most suitable one.Package includes: 1/2 x Optiglasses Adjustable Glasses1/2 x Glasses CaseNotice:1. Due to manual measurement, please allow an error of 1-2cm.2. We are dedicated to creating products that provide our customers best service. Shop with confidence. Any question, please feel to contact.3. Due to different display and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.
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