角膜接触镜系用高分子聚合物制成的一种薄的透明镜片，有硬性接触、软性接触及双焦接触镜；直接置于角膜表面，两者之间填充泪液，这一薄层泪液便形成液体透镜，用于矫正屈光不正，提高视力，亦称隐形眼镜或无形眼镜。眼科简称接触镜。由于角膜接触镜具有光学上的优点及美容效 Contact lenses are made of macromolecular polymers made of a thin transparent lens, a hard contact, soft contact and bifocal contact lenses; placed directly on the corneal surface, filled with tears between the two, the thin layer of tears They form a liquid lens, used to correct refractive errors, improve vision, also known as contact lenses or invisible glasses. Eye contact lens. As the contact lens has the optical advantages and beauty effects