The small holes in the lenses of Irisana reticular glasses allow perfect vision while reducing diverging rays, allowing only those that strike perpendicularly to pass through, for a sharper vision. The number of holes forces the eyes to perform more movements, thus exercising all the eye muscles, including the ciliary muscles (which relax vision). Benefits Encourage good vision habits. Suitable for myopia, presbyopia, hyperopia, etc. They help you see clearly both from far and up close. They relax the tension caused by lenses, computers, TV, etc. Valid for both adults and children. Perforation thickness 1.5 mm. Who can use them People with presbyopia and farsightedness: to read and work with the computer. Short-sighted: working with a computer and watching TV. Astigmatics.