The Stevie & Charlie BlueLight Optical 2.50 Reading Glasses by M+ are designed for unisex adults seeking clear vision and comfort while reading. With four pairs magnifications 2.50, these glasses offer versatility and convenience for various reading needs. The lenses are made of high-quality glass, ensuring sharp image quality and reducing glare. The sleek design in Lucent Blue, Black and Green colors adds a stylish touch to the overall look of these reading glasses.