Model :RB5228 Color : 5799 he Ray-Ban RB5228 Tortoise Light Glasses are unisex acetate glasses from the Ray-Ban collection. With 132 mm wide and 53 mm x 36 mm lenses, the Ray-Ban RB5228 Tortoise glasses ensure optimal comfort for all close-up activities.These are 1.00 reading glasses but you can take them to your optometrist and have them put your prescription lenses in them.