Standard vs Premium Progressive Lenses: What Are Their Differences
In the above part, we have introduced some basic information about standard and premium progressive lenses. So, what are their differences? In this section, we will show them.
Compared with premium progressive lenses, standard progressive lenses require large frames. Otherwise, you will limit your near vision. On the contrary, if you prefer small and less noticeable frames, premium progressive lenses are the better choice.
Compared with premium progressive lenses, standard progressive lenses are cheaper. For most people, standard lenses are affordable.
Compared with premium progressive lenses, standard progressive lenses are suitable for most people including children.
Premium progressive lenses are customized to your eyes and offer a wider viewing area than standard lenses.
What Is Plastic Lens?
In the above part, we have introduced what polycarbonate lenses are. In this section, we will show you what the plastic lens is.
The plastic lens was first introduced in 1947. Since then, plastic has become a popular and widely used material for making eyeglasses lenses. Since the introduction and use of plastic lenses, it has sealed its mark as the most preferred choice in the optical industry.
Plastic lenses are light. With this feature, plastic lenses are popular because they will not be heavy inside the glasses frame and permit for an easy fit in any type of glasses frame. In addition, plastic glasses are cheap and easy to obtain in desired amounts. So, they are affordable for most people. Plastic lenses are very durable. So, they do not shatter easily on impact which makes it a great choice for individuals who are active or tend to drop their glasses often.
However, compared with other lens materials, plastic lenses are usually thick due to their low index of refraction. The soft feature of plastic glasses makes them susceptible to scratching from a sharp object and why scratch-resistant coating is applied to form an additional protective layer. Plastic lenses do not provide ultraviolet protection.
Choose clear glasses for kids to keep safe.
Safety is very important no matter in what aspect, glasses are no exception. Especially for children, they are more active. The lens is best made of PC, and the frame is best made of materials with high toughness, such as TR90. Service fixed number of years of this kind of picture frame is long.
Thick black frame
During that time, in the memory of every nearsighted person, there is such a pair of black frame glasses. They can be big can be small, and can be square, round. If you wear this kind of glasses, you are the most handsome boy in the whole street. Of course, black-rimmed glasses have their benefits. Many big-name fashion magazines often use them to give stars a concave look during the shoot.
They can reduce glare.
They can absorb blue atmospheric scattering and provides more contrast. When performance is your top priority, the right lens tone can give you the results you want. UV rays are blocked by a special coating on the lenses. And inferior sunglasses not only cannot hold back ultraviolet rays but let lens permeable luminosity drops seriously, making pupil greens. Ultraviolet rays can shoot in large quantities instead, your eye is damaged.
How Should Glasses Fit?
Make sure your pupils align correctly. The combination of frame, arm, bridge, and lens measurement can affect the placement of your pupils within your lenses, which is essential to the proper function and comfort of your prescription. To ensure glasses fit properly, the pupils should align horizontally in the center of your lenses.
Also, you should consider your face shape. When choosing a pair of suitable glasses, you should consider what face shape you have.
Foster Grant
Foster Grant's Modera series wouldn't be complete without our Larsa reading glasses. A creamy caramel rectangular frame wrapped in delicate animal motifs in gold and brown looks chic. The spring-hinged temple is comfortable and suitable for all-day wear. Each comes with a protective case that you can use on your travels.
