Plastic optical lenses can be used in place of traditional glass lenses. They're made of an inert, malleable polymer that allows you to create frames that don't distort your vision or break the natural curvature of your eye socket. You won't even notice you're wearing these because they're so light! Light-focusing or diverging optical components are referred to as optical lenses. Optical lenses are employed in a wide range of applications, including life sciences, photography, industry, and defence. The way light passes through a lens is influenced by its profile or substrate.
A lens is a refractory transmissive optical device that changes the focus of a beam of light. A single piece of material makes up a simple lens, but a compound lens is made up of multiple simple lenses (elements) joined by a common axis. Lenses are made of transparent materials such as glass that have been ground and polished into the proper form. The vast majority of lenses are spherical, with two surfaces that are sphere sections. Each surface could be convex (bulging outwards from the lens), concave (depressed into the lens), or planar (no bulging outwards from the lens) (flat). The line that connects the centres of the spheres that make up the lens surfaces is known as the lens axis.
A magnifying glass is a frame with a single convex lens and a handle or stand. Lenses can treat myopia, hyperopia, presbyopia, and astigmatism, among other vision problems. Other applications include monoculars, binoculars, telescopes, microscopes, cameras, and projectors, among others. Some of these instruments produce a simulated image when used on the human eye; others produce a real image that may be captured on photographic film or an optical sensor, or projected on a screen.
The Abbe number indicates the dispersion of a lens material, which is the one that is most directly linked to its optical performance of all of its qualities. Lower Abbe numbers indicate the presence of chromatic aberration (colour fringes above/below or to the left/right of a high contrast object), which is more common in lenses with larger diameters and stronger prescriptions (4D or greater). Lower Abbe numbers, regardless of the material used, are an unavoidable aspect of mid and higher index lenses. The Abbe value is the Abbe number for a material at a certain refractive index formulation.
Glass lenses have been used in a variety of applications so far. Plastic lenses, on the other hand, have developed and risen in popularity as a result of their brittleness and susceptibility to deterioration. In terms of UV resistance, durability, and safety for use in sports or other intense activities where the lens is prone to break, plastic lenses outperform glass lenses. Users' plastic lenses can be coated with a variety of coatings according on their demands.
Optical lenses are light-concentrating or diverging optical components. Optical lenses include microscopes, binoculars, camera lenses, and telescopes, to name a few. Optical lenses are constructed from a range of materials, including glass and polycarbonate and plastic resins. Resin-based lenses are currently in the spotlight due to their numerous benefits and the increasing growth of optics-related businesses.
The ubiquity of the Internet has sped up the adoption of mobile phones and televisions. As a result, a growing number of people are developing vision problems, necessitating the use of plastic lenses. These lenses have a wide range of practical characteristics, including negligible distortion, shatter resistance, and excellent breaking resistance, which has substantially enhanced their popularity and demand.
Key Players
· Appasamy Ocular Devices Pvt. Ltd.
· Bausch & Lomb India Pvt. Ltd.
· Eagle Optics Pvt. Ltd.
· Essilor India Pvt. Ltd.
· G K B Hi-Tech Lenses Pvt. Ltd.
