Convenient SolutionTo address the issue of elderly individuals being unable to visit optometrists for vision testing, we have introduced a portable adjustable eyeglass solution. You can adjust it according to your vision needs gain a clear understing of your prescription, making it convenient for you to purchase suitable prescription glasses. Please note that this product is not intended to be a long-term substitute for regular prescription eyeglasses. Adjustable design conceptAdjustable Focus Glasses are designed to adjust the automatic zoom through the Mitsubishi principle of sight, to meet the -6.0 adjust to and3.0 vision, you only need to turn the dial to adjust the degree to suit your position when using. Soft materialadjustable glasses dial vision frame with TR material, more soft with active memory, when you wear soft material will not hurt your skin. Include itemsadjustable eyes X1\/2\/3\/. storage bag x 1\/2\/3. Applicable peopleadjustable reading glasses for elderly presbyopia, nearsightedness, farsightedness, help you in the daily magnification of close-up tasks, to prevent eye fatigue, suitable for sending elders, 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