#E READING - Reading sunglasses Black Description Reading Sunglasses - #E SUN Black: optimal protection thanks to ther lenses with 100% UV filter category 3. Izipizi Reading glasses for presbyopia Sunglasses cat. 3 Shape #E: large, structured, trapezium, timeless. Unisex, universal model. Flexible arms Storage pouch included in the box Sunlight contains visible and invisible electromagnetic waves. The most harmful invisible rays are the UV rays (ultraviolet radiation), these are dangerous even when the sky is overcast: clouds absorb only a maximum of 10%. Sunglasses cat. 3UV rays damage the cells of the eye and can cause diseases of varying severity. SUN glasses offer lenses for 100% UV protection category 3, are glare-proof and filter 100% of the UV radiation of the light. Flex hinges Flexible and comfortable arms, with spring hinges, which adapt to all face shapes and sizes. Standards This model complies with the European standards for non-prescription glasses (NF EN 14139) and with the international standards for prescription glasses (IS0 12870). Presbyopia is a natural phenomenon linked to aging of the eyes which diminishes the vision from age 40-45 and onwards.