Cheap mass contact lenses for holiday consumption

Contact lens type materialHard contact lenses (RGP), soft contact lenses and breathable glasses.rigid contact lenses are generally made of PMMA polymer, and rigid gas-permeable (RGP) contact lenses are relatively popular.Soft contact lenses, invented in 1960 by Czechoslovak chemist Otto Wichterle, have become the most popular type of lens because of their comfort.Breathable glasses use hydrophilic materials to allow oxygen to enter the cornea through the lens, making wearing more comfortable.Aqua blue plate contact lenses, 0 degree contact lenses, Myopia color contact lenses, Artistic contact lenses1. Daily wear, the wearer wears the lens without sleep and with eyes open, usually for 12 hours a day.2. Elastic wear refers to napping with lenses or occasionally sleeping overnight with lenses, not more than 2 nights a week (discontinuous).3. Long wear, the wearer is still wearing the lens in the sleep state, and the lens is removed for several days.4. Night wear contact lenses refers…