The metal frame contains nickel due to production process. Customers with a history of nickel allergy should be cautious when purchasing.
Simple and Classical. The rectangular lenses are great for single vision. A medium size, light weight frames are extremely comfortable to wear. The total weight is only 15 grams. And the thin temples are plain but durable because of the high qualified material. Rimless eyeglasses have black arms and nose piece are very popular among White collars.
Also see: computer eyeglasses,reading spectacles