"the intellect" 3 pair of full reading sunglasses (not bifocals) for men and women, outdoor sun readers - 3 microfiber carrying cases included (black/black, 1.75) mass vision sunglasses reading glasses are made primarily for presbyopia which is an age-related eye disease most people experience around 35 to 45 years of age. presbyopia is caused by a decreased elasticity in the eye's lens, making it more difficult to focus on objects in a close range.<br> <p> the mass vision "intellect" are elegant, high-quality unisex reading glasses designed with stylish lightweight & durable frames. the lenses are scratch-impact resistant and ensure superb optical clarity.<br> <p> three pair of reading glasses are included, each with their own microfiber soft pouch ($10 value).