Types of lenses - Single vision lenses

 

Types of lenses Single Vision Lenses Progressive lenses

Single vision glasses

Single vision glasses are made to assist those who need to correct their astigmatism, nearsightedness, or farsightedness. Focus is distributed uniformly throughout the whole surface area of the lens with these spectacles, which have a single optical prescription correction. This type is often chosen by most people who wear glasses. You would need bifocal or multifocal eyeglasses if you had numerous prescriptions.

 Single vision glasses

Progressive Lenses

Progressive or varifocal lenses eliminate segment lines and enable clear vision at all distances, including intermediate, close, and far, by permitting a seamless transition from distance correction to near correction. No-line bifocal lenses are another name for progressive lenses. When using these speciality lenses, the prescription at the top and bottom of the lens are different. It varies from a bi-focal because the prescription is gradually changed rather than having a sharp line cut out of the lens. For distance, the lens's very top section is effective. The bottom part increases stronger all the way to the bottom, where it is the strongest for reading. The user of a progressive lens can see clearly in all distances, including up close.

Bifocal Lenses

Bifocal lenses are primarily used to balance near and far vision requirements in spectacles. There are many different shapes and widths of bifocal eyeglasses with reading portions, including bifocal sunglass alternatives.

Trifocal Lenses

Trifocal lenses are similar to bifocal lenses, with the exception that a third middle area with intermediate focus correction separates the two focal zones. For intermediate vision, or vision that is roughly at arm's length, such as for computer distance, use this area. The three distinct corrective segments are divided by two segment lines on this sort of lens.

Know More Info Visit GKB Optic Technologies