It will help you see clearly at all distances without those annoying "bifocal lines" that are visible in regular bifocals and trifocals.
To increase the range of clear vision, a weaker addition or a more sophisticated lens is required.
Single field of vision, or one prescription power throughout the entire lens, for correcting myopia or hyperopia.
Bifocal lenses contain two lens powers to help you see objects at all distances after you lose the ability to naturally change the focus of your eyes due to age, also known as presbyopia.
Smartglasses or smart glasses are wearable computer glasses that add information alongside or to what the wearer sees. It may control or retrieve data from other instruments or computers.