1, counterfeit goods of poor quality, lack of frame strength, the replacement of the lens is easy to cause the collapse of the support point of damage can not be properly fixed lens, equal to the whole pair of glasses scrapped, greedy little more harm than good.

2, paint lead and other toxic heavy metals, and skin contact after the accumulation of body, causing lesions, safe to worry about. No acid and alkali paint will sweat because of corrosion and fade off.

3, cheap and poor lenses can not only play a protective function, but greatly hurt the user's vision, and even cause glaucoma, retinal detachment and other serious sequelae, virtually caused by sight and health irreparable damage, in vain consumer rights.