Indeed, before the age of 10, the crystalline lens (the transparent part of the eye behind the pupil) is still quite fragile. It normally acts as a filter but is not sufficiently developed in children, so some blue light might get through it. As children are regularly exposed to blue light (mainly from screens), it is necessary to protect them as much as possible.
The harmful effects of blue light are numerous: headaches, insomnia, aging of the retina, etc. With the prominence of smartphones, tablets and computer screens in our lives, there are few solutions to ensure children's health. This is why we have designed the blue-light-blocking glasses for children.