Polycarbonate lenses
At OZoptical.com, all standard lenses are made of lightweight CR39-resin with a standard lens index of 1.499, coming with a completely scratch resistant coating. Polycarbonate lenses are the lightest material available (optional), and due to its high impact-resistance and durability, it also happens to be an integral material used in making bullet-proof “glass”. …continue reading Glasses Lenses and Coatings
My son is only eleven years old but he has been troubled with poor eyesight problem for a long time. I am not contented with his bad habit of taking an incorrect reading position as soon as he tends to do some reading. To buy a suitable pair of prescription eyeglasses places much pressure on me because my husband is so busying with his work and he does not have any time to concern about such trifles. I try my best to deal with this challenge well. But since none of our family members need to wear eyeglasses, I have no related experience. In order to gain a better understanding of kid’s prescription eyeglasses including style, function, safety and price, I decide to visit local optical shops first. …continue reading Prescription eyeglasses for my kid