Breathable, hypoallergenic, latex free. Easily applied and removed with minimal skin irritation. 3M Opticlude Orthoptic Eye Guards are used to treat strabismus and amblyopia (often referred to as "lazy eye") in childhood. Worn over the desired eye, the eye shield encourages the weaker eye to function. During the first four months of a child's life, optical pathways develop as the eyes mature and receive images that are sent to the brain. For correct vision development, the brain receives equally clear and focused images from both eyes at the same time. However, if anything interferes with this development, it can result in amblyopia and reduced vision. Amblyopia is a condition that only children develop and needs to be treated at an early age in order to correct it. Using an eye shield – “or occlusive therapy” – to cover a child's stronger eye encourages the weaker eye to start working and stimulates vision, as well as helping the part of the brain that manages vision to develop. The amount of time and number of hours a day your child needs to wear the eye protector varies, so it is important to follow the specific treatment routine that is prescribed. 3M Opticlude Orthoptic Eye Guards are tried, tested and reliable, resulting from years of use by orthoptists across Europe to provide a comfortable solution for childhood amblyopia. They contain a central pillow that absorbs excess moisture and are made of breathable, hypoallergenic, latex-free material. Easy to apply and remove. Now, putting on eye protectors is a pleasure. NB: Occlusive therapy should only be carried out under the guidance of an orthoptist or other suitably qualified healthcare professional