Monofocal lenses
Monofocal lenses have the same power across their entire surface, which means the prescription is uniform across the entire lens. hese lenses are used in two very common types of vision devices: reading glasses and distance glasses.
What’s the difference between them? In the case of reading glasses, single vision lenses are optimised to provide clear vision of nearby objects and are adjusted to the typical reading distance of a person with presbyopia. objects and are adjusted to the typical reading distance of a person with presbyopia. These lenses are suitable not only for reading books, but also for viewing very small print on devices such as smartphones and tablets. In the case of distance vision glasses, the lenses are defined in such a way as to give the wearer a sharp and clear view of objects that are in the distance – generically, we can say, they serve to compensate for myopia, astigmatism or hyperopia.