Designed for workers who have difficulty reading small print or are engaged in small detail work. As an alternative to prescription safety glasses, 3M™ BX Reader Protective Eyewear feature magnifying diopters, lightweight lenses with adjustable soft tip temples and integrated sideshields.3M BX Reader Protective Eyewear features built-in magnifying diopters on the lower lenses to provide eye safety to workers who have difficulty reading small print or seeing small detail work. This protective eyewear comes with an adjustable temple length, lens angle, and nose bridge to allow a more comfortable fit. The ability to customize the safety glasses to the wearer makes them more pleasant to use over extended time periods. The nose bridge has also been cushioned for softness and comfort. The sleek, contoured design offers both an attractive appearance and functional eye protection. The impact-resistant polycarbonate lenses absorb 99.9% UV rays. Certified to CSA Z94.3. Wearing the correct safety eyewear for the task and for the unique needs of the worker is important. 3M recognizes the need to design comfortable and attractive eyewear, increasing the usage of safety glasses on the job. Thats why all 3M Protective Eyewear combines safety features with comfort enhancements.