Eyeglass lenses
Multifocal eyeglass lenses
Gradually you find out, that you do not have long hands enough to move a text further from your eyes when reading newspapers or books, can not string a needle or having problems while working on a computer. When reading, you seek for more light and your eyes are more tired. Unfortunately, you are getting to the age, when the intraocular lens begins to lose elasticity, accommodative ability is reduced and you become presbyopic. Do not despair, there is a solution! - Multifocal eyeglass lenses.
Types of eyeglass lenses according to optical effect used
Prescription eyeglass lenses can also be divided according to the optical effect. According to the optical effect We know unifocal, bifocal, trifocal and multifocal eyeglass lenses.
Lens cleaners and eyeglass lenses
There is no doubt that a surface treatment of plastic eyeglass lenses has significantly contributed to improving of their quality and aesthetic design. There also some doubts occured, that such modified lenses directly attract dirt and get dirty very quickly.
Antireflex coating
To avoid unpleasant reflection on the surface of eyeglass lenses, an antireflex coating is applied. This layer can be found on the objectives of microscopes, telescopes or cameras. Antireflex is made of many layers of metal oxides an is applied on the front as well as on the back side of the lens surface. Becasue antireflex contains many layers on top of each other, it has a specific shade of green, purple or golden colour – the colour depends on the manufacturer.
Types of eyeglass lenses according to the material used
In terms of material, there are several types of lenses. Most known are glass lenses, which are known for their good optical properties. Then there are plastic eyeglass lenses - nowadays the most used lenses. Polycarbonate lenses can be seen mostly in different risk profession or is used in sport eyeglasses. Less known are the eyeglass lenses made from Trivex material - a durable material with excellent optical properties. However, it can’t be used at higher diopters.
Basic types of eyeglass lenses
Nowadays we put more and more demands on our sight. A good visual acuity is a prerequisite for success not only at work but also in leisure time. We can't imagine life without a good sight. This is the reason why we protect our eyesight or improve its limitations. Today, there are many ways how to correct sight limitations (errors of refraction). There is a high probability that at present, as well as in the future, the most common solution for these limitations and for protection of eyes would be eyeglasses or contact lenses.
Transitions eyeglass lenses
Being in different situations, you always expect the perfect vision and comfort for your eyes. Phototrop spectacle lenses Transitions offer a perfect vision in every situation. As offering you an important comfort and comfortable wearing at the same time, they provide a perfect comfort for your eyes and vision.
Eyeglass lenses
Eyes are one of the most important human organs. Healthy eyes and a good vision guarantee us good results at work and a perfect view of the world, that surrounds us. In contrast, a poor vision is a burden for us, that we must solve to have a full-value and normal life as those having a perfect sight. Life without a good vision is difficult and therefore the modern technology and science try to find out the ways, how the human sight can be protected and improved or adjusted in a case of bad vision.
