Wearing glasses or eyeglasses is a simple and convenient way to help those with vision problems to see their vision more clearly. With today’s technology There are many types of eyeglass lenses produce to choose from, so people with vision problems should study information about eyeglasses. Different types of lenses, benefits from glasses Including taking care of eyeglasses before deciding to buy them. To get the right glasses meets the desired objectives and remain in good condition throughout its lifespan
Material used to make lenses
The material use to make lenses is made of glass. And made of plastic.
- Lenses made from glass: will be thin and clear. Suitable for those who have a lot of eyesight.
- Plastic lenses: They are more durable and safer. Which at present This type of material can also be made into thin miniatures. There is no problem with thickness like in the past.
Currently, glass materials are rarely produce. and ทางเข้า ufabet is not popular Because if there is an accident Shards of glass may get into your eyes. and can be dangerous to the eyes.
Another thing to consider is the nature of the glasses frame.
For example, if you choose a perforated frame or grooved frame This type of eyeglass frame requires tough lenses called index 1.6 or airwear or MR8 or trivex.
Type of lens
- Single vision lenses or single lenses are lenses that are nearsighted only or farsighted only or nearsightedness and astigmatism or farsightedness and astigmatism. Can be seen at any distance in people older than 40 years.
- A bifocal lens is a lens that can see at two distances: far and near. It cannot see at the middle distance. The lens has a semicircle at the bottom. For a closer look
- Progressive lenses or seamless lenses or multi-focal lenses (progressive lenses) are lenses that can see every activity you want, whether far, middle, or near, without having to take your glasses in and out. Or have to carry many glasses?
Before cutting glasses every time Don’t forget to try out the lenses before actually purchasing them.