The prescription lenses in a pair of glasses are what really give you the crisp, clear vision you seek. Whether you are nearsighted, farsighted, or require numerous prescriptions in a single lens, there are various types of prescription eyeglasses to meet your visual needs:
Single vision prescription lenses are used to treat a single type of vision issue, such as astigmatism, nearsightedness, or farsightedness. The same degree of vision correction is present throughout the entire lens of these glasses. Full-frame readers are the most typical type of single-vision reading glasses. Additionally, half-frame reading glasses come with single-vision lenses, which are smaller and rest at the tip of your nose for easier up-close and distance vision.
Eyeglasses with multifocal lenses are frequently required by people who experience several vision issues. Bifocals and progressive lenses are examples of multifocal lenses, which have two or more prescriptions for vision correction.
Two prescriptions are contained into a single lens in bifocals. The upper portion of the eyeglass lens is for distance vision, and the bottom portion is for near vision. Bifocal wearers frequently have a line separating their nearsighted and farsighted prescriptions visible when looking at them.
Progressives are multifocal lenses that have close, middle, and distance fields of vision. Progressives do not, however, have a clear distinction between their prescriptions. This enables the wearer to glance between close-up items and a great distance away with ease and smooth transition.
Computer glasses have lenses made specifically to prevent eyestrain brought on by computer screens. The average sitting distance from a computer monitor is about 20 to 26 inches, therefore computer glasses can aid with this distance. The lenses of many computer glasses are coloured to filter the blue light that comes from your electronics.