There are various types of eyeglass lenses that can be adapted to your needs. It is important to choose the right type of eyeglass lenses, so that you feel comfortable when using them.
For those of you who have vision problems (especially eye refraction problems), such as nearsightedness, farsightedness, or a combination of both, the use of glasses is very important. When experiencing this disorder, choosing the right type of glasses and as needed will help your eyes be more comfortable to see and move.
Types of Glasses Lenses Based on the Material
Based on the material, eyeglass lenses can be divided into several types, namely:
1. Glass
Eyeglass lenses made of glass are less prone to scratches. In addition, glass material has excellent light-conducting properties.
However, the drawback is that glass lenses tend to be heavier and can only be used for... frames certain only
2. Polycarbonate
Polycarbonate lenses are eyeglass lenses that are thinner and lighter than glass. In addition, this type has other advantages, such as impact resistance and protection against UV rays.
This lens is usually recommended for people who often do sports or outdoor activities (outdoor) which is at risk of causing the glasses to break.
3. Trivex
Trivex is a lens that has almost the same safety standards as polycarbonate lenses. The advantage of this lens lies in its ability to bend light better than polycarbonate lenses.
4. High index
One of the advantages of the lens high index is thinner and lighter than polycarbonate and trivex lenses. This type of lens is recommended for people who need high visual correction.
5. Photochromic
This type of lens can be made of glass or plastic. The advantage of this lens is its ability to change color from clear to dark when exposed to sunlight, so you don't need to change glasses when you are active indoors or in the sun.
Various Types of Eyeglass Lenses Based on Eye Disease
If you have one vision problem, your doctor will prescribe one type of lens to correct it. For example, a minus lens for farsightedness, or a plus lens for farsightedness or plus eyes.
However, if you have more than one vision disorder, such as presbyopia, which usually cannot see far and near, your doctor can prescribe multifocal lenses.
There are also several types of multifocal lenses, namely:
Bifocal lens
Bifocal lenses are a type of eyeglass lens that are often recommended for correcting age-related visual impairment. This lens has two focal points, namely at the top of the lens to clarify distance vision, and at the bottom of the lens to clarify close vision.
Trifocal lens
This type of lens has three different focal points, for example the upper part serves to see far away, the lower part to see up close, and the middle part to see the medium distance.
In addition to knowing the types of eyeglass lenses, you also need to understand how to take care of your glasses so that they are always clean and comfortable when used, namely by storing your glasses in a clean and dry place, and cleaning your glasses regularly using a special cleaning fluid for glasses and a soft cloth.
nowIf you feel that your vision is starting to get blurry both when you see far and up close, you should check with an ophthalmologist, so they can be given a choice of the type of glasses that suits your condition. Likewise, if the glasses you normally use are starting to feel uncomfortable.