Convenient Solution: A portable adjustable eyeglass solution for elderly individuals who cannot visit optometrists for vision testing. Adjust it according to your vision needs and gain a clear understanding of your prescription. Not intended as a long-term substitute for regular prescription eyeglasses. Adjustable Design Concept: Adjust the automatic zoom through the Mitsubishi principle of sight. -6.0 to +3.0 vision adjustment. Turn the dial to adjust the degree to suit your position. Soft Material: TR material for the adjustable glasses dial vision frame. Soft and gentle on your skin. Included Items: Adjustable eyes X1/2/3 and storage bag x 1/2/3. Applicable People: Adjustable reading glasses for elderly individuals with presbyopia, nearsightedness, and farsightedness. Helps with daily magnification of close-up tasks and prevents eye fatigue. Suitable for gifting to elders and friends. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store