3M™ Virtua™ Reader Protective Eyewear 11515-00000-20 Clear Anti-Fog Lens, Clear Temple, +2.5 Diopter 20 EA/Case. Designed for workers who have difficulty reading small print or are engaged in detail work. Unisex Virtua reader protective eyewear features magnifying diopters, lightweight lenses with contoured tip temples and a high wrap for additional coverage.