Seacsub Optical Lenses for Extreme Mask offer a versatile solution for divers needing vision correction. These optical lenses are crafted from durable tempered glass, ensuring clarity and resilience underwater. Designed for easy installation, they provide myopia correction ranging from -1.0 to -6.0, making them suitable for a wide range of users. Notably, the lenses are interchangeable, fitting both the right and left sides of the mask seamlessly. Made from robust tempered glass for enhanced durability Simple to install, ensuring a hassle-free setup Offers myopia correction from -1.0 to -6.0 for diverse needs Compatible with both right and left sides of the mask Sold individually