What brand of eyeglass lenses are generally used by the CDC

There are many brands, such as Zeiss ZEISS and Essilor essilor.

The better one is Zeiss ZEISS, which started in 1846 in Germany and is one of the world-class brands that make photo and film lenses. Zeiss is a German brand that makes optical systems, industrial measuring instruments and medical equipment, as well as camera lenses. It is a leader in the field of optics and optoelectronics, providing products and services to customers in the fields of semiconductor technology, industrial optics, life sciences, medical, ophthalmology and optometry.