When it comes to choosing eye glass, frame is the topmost thing that people consider first of all, as they are very much conscious about their looks and comfort. Choosing the right lenses for your eye glasses is equally important as it affects many factors including your comfort, appearance, vision and sight. Mostly, people ignore to consider different types of lenses for glasses online and their materials, coating and design. If you also do this then you need to change your habit.
Which lenses are best for your eyeglasses?
Below are some of the types of lenses given which are categorized on the basis of their material.
CR-39 plastic glasses- In the olden time, all lenses for eye glasses were made up of glass. These glasses are very good in offering exceptional optics. But in the present time people avoid them as they are heavy and can be broken easily that are enough to give your eye serious injury. This is the reason why most of the people are turning toward fabric eyeglass lenses. Plastic lenses are quite lightweight and can be purchased by paying lower price. Lower price does not mean that you will have to compromise with the optical quality. These have excellent optical properties.
High index plastic lenses – If you are looking for thinner and lighter eye glasses then high index eyeglass lenses are the best option for you. These are not only thin and lighter than CR-39 plastic lenses but they also have greater index of refraction and lower precise gravity.
Polycarbonate lenses – Originally, these glasses are developed to create bulletproof glasses for forces. In the present time, common people are also getting these lenses in their eye glasses. These lenses are quite light and have impact resistant properties. So, these lenses are good for sport eye wear, kid’s eyewear and safety glasses.