In the simplest terms, one can describe progressive lenses as the result of modern technology and science. It allows a person to access multiple focal lengths, near or far away, with the help of a single lens. The USP of these lenses is that there is no line of distinction between the lens for short-sightedness and the one for far-sightedness. As per the name, the lens's power changes progressively from far to near. Since they are very similar to bifocal lenses, they are sometimes also referred to as no line bifocal lenses.
All you Need To Know About Progressive Lenses
All you Need To Know About Progressive Lenses
How do progressive lenses work?
Progressive lenses are not made by just one prescription. They require three different prescriptions that cover the power of your eyes from different lengths. In this manner, they allow you to see things which are far away from you, which are at a mid-distance from you and those which are near to you. When you get yourself progressive lenses, you will not be required to change your spectacles every time you do a different task like reading or driving. Since there are three prescriptions involved, they are also called multifocal lenses.
This type of lens is the better version of bifocal or trifocal lens. They are capable of overcoming all the drawbacks that the latter has. This is because bifocal and trifocal lenses have a clear line of distinction in the lens itself for short sighted power and far sighted power. Whereas, on the other hand, progressive lenses have a seamless appearance. Due to the lines on the lens, people often find it difficult to switch between the two prescriptions as the eyes have to be quick enough to do so. Moreover, the lenses don’t look as appealing since there is a line of distinction right in the middle of the lens.
How do progressive lenses work?
Progressive lenses are not made by just one prescription. They require three different prescriptions that cover the power of your eyes from different lengths. In this manner, they allow you to see things which are far away from you, which are at a mid-distance from you and those which are near to you. When you get yourself progressive lenses, you will not be required to change your spectacles every time you do a different task like reading or driving. Since there are three prescriptions involved, they are also called multifocal lenses.
This type of lens is the better version of bifocal or trifocal lens. They are capable of overcoming all the drawbacks that the latter has. This is because bifocal and trifocal lenses have a clear line of distinction in the lens itself for short sighted power and far sighted power. Whereas, on the other hand, progressive lenses have a seamless appearance. Due to the lines on the lens, people often find it difficult to switch between the two prescriptions as the eyes have to be quick enough to do so. Moreover, the lenses don’t look as appealing since there is a line of distinction right in the middle of the lens.
What is the difference between bifocal lenses, single vision lenses and progressive lenses?
Bifocal Lens
Bifocal lenses generally have a small part on the lower end of the lens, which helps us see the objects near us clearly. Depending on your requirements and desires, this region can be of different shapes. For instance, if you only want a small part of the lens to be used for short-sightedness, you can have a slight curve at the lower end, or if you want half of the lens for far-sightedness and a half for short-sightedness, then that can be done as well.
They provide a clear distinction between the two visions, near and far, within one lens. On the first appearance, they might seem uncomfortable. However, for some people this is a better fit as compared to progressive lenses. This mainly depends on your own personal usage and the kind of lifestyle you lead.
Progressive Lens
A progressive lens is much more convenient to use than a bifocal lens because it provides a seamless light responsive between short-sightedness and far-sightedness. It efficiently lets the person see objects at varying lengths without using a different pair of glasses. In addition, since the lenses look the same from top to bottom, the person wearing a progressive lens would not have to experience sudden shifts in their visions.
As compared to bifocal lenses, the light responsive from one type of vision to the other is much smoother. In addition to this, there is a wide zone of clarity as well. Therefore, these lenses are perfect for people who are more into sports as they would want a seamless vision at all times.
Single Vision Lenses
As the description suggests, this type of lens should be worn by people who have either short-sightedness or far sightedness. It is often noted that people below the age of 40 generally have a defect in one of their visions. However, people above the age of 40 usually require bifocal lenses.
Even though single vision lenses can be worn by people who have defects in both their visions, they will have to change their lenses repeatedly depending on what they want to see/ read. Thus, single vision lenses should only be worn by people who want to correct one of their visions.
How do you know you need progressive lenses?
As we age, our vision deteriorates. It is mostly inevitable and can happen due to various circumstances like our lifestyle, hereditary, etc. Moreover, as we age, we get an eye condition called presbyopia. In this situation, the lenses in the eye gradually harden themselves. As a result, they lose their elasticity, making it difficult for them to move and focus on the objects around them. It should be noted here that presbyopia can easily be treated with the help of the right eyeglasses. However, normal bifocal lenses are not that helpful.
Single vision lenses will also not be very helpful as you would want to correct your vision for short-sightedness and far-sightedness. Therefore, people with such eye conditions are required to progressive lenses to have a seamless light responsive between the two visions. This is much more comfortable for the eyes as well.
How do I adjust to my new prescription glasses?
When we put something in the eyes or above them, in this case, it is not always an easy light responsive. Eyes do tend to take their time to adjust to the new layer. There might be situations where your eyes hurt after wearing the new glasses because they are constantly working to adjust to the new prescription.
You might also have frequent headaches, or your vision might be a little distorted in the initial days. However, it is important to understand that when we make a change, it is important to give the eyes some time to adjust. It will not take much time, mostly within a week itself, you will get used to wearing the new prescription glasses.
What is the difference between bifocal lenses, single vision lenses and progressive lenses?
Bifocal Lens
Bifocal lenses generally have a small part on the lower end of the lens, which helps us see the objects near us clearly. Depending on your requirements and desires, this region can be of different shapes. For instance, if you only want a small part of the lens to be used for short-sightedness, you can have a slight curve at the lower end, or if you want half of the lens for far-sightedness and a half for short-sightedness, then that can be done as well.
They provide a clear distinction between the two visions, near and far, within one lens. On the first appearance, they might seem uncomfortable. However, for some people this is a better fit as compared to progressive lenses. This mainly depends on your own personal usage and the kind of lifestyle you lead.
Progressive Lens
A progressive lens is much more convenient to use than a bifocal lens because it provides a seamless transition between short-sightedness and far-sightedness. It efficiently lets the person see objects at varying lengths without using a different pair of glasses. In addition, since the lenses look the same from top to bottom, the person wearing a progressive lens would not have to experience sudden shifts in their visions.
As compared to bifocal lenses, the transition from one type of vision to the other is much smoother. In addition to this, there is a wide zone of clarity as well. Therefore, these lenses are perfect for people who are more into sports as they would want a seamless vision at all times.
Single Vision Lenses
As the description suggests, this type of lens should be worn by people who have either short-sightedness or far sightedness. It is often noted that people below the age of 40 generally have a defect in one of their visions. However, people above the age of 40 usually require bifocal lenses.
Even though single vision lenses can be worn by people who have defects in both their visions, they will have to change their lenses repeatedly depending on what they want to see/ read. Thus, single vision lenses should only be worn by people who want to correct one of their visions.
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How do single vision lenses work?
Just as any other type of lens, they work either by diverging the light or converging it to correct the default in vision. When the light coming through the lenses is adjusted, it decreases the eye’s focusing power to reduce the strain on the eyes. When your eyes have the right amount of optical power with the help of a lens, the focal point will be placed right on the retina of the eyes. This will help you see things clearly. However, we have difficulty seeing things clearly when the focal point is not directly on the retina. So the aim is to bring the focal point back to the top of our retina with the help of a lens.
What type of glasses will be suitable for people with an oval shape?
The best thing about having an oval shaped face is that mostly all types of eye frames would suit your face. A person with an oval face shape is more likely to have wider cheekbones that get narrower around the forehead. This face shape will help you pull off any frame, especially those with a wider frame or even oversized frames.
We do recommend that you choose a frame with heavy design as a narrower frame might not look the best on your face. This is because they tend to add more length to your face which is not essentially required.
How do you know you need progressive lenses?
As we age, our vision deteriorates. It is mostly inevitable and can happen due to various circumstances like our lifestyle, hereditary, etc. Moreover, as we age, we get an eye condition called presbyopia. In this situation, the lenses in the eye gradually harden themselves. As a result, they lose their elasticity, making it difficult for them to move and focus on the objects around them. It should be noted here that presbyopia can easily be treated with the help of the right eyeglasses. However, normal bifocal lenses are not that helpful.
Single vision lenses will also not be very helpful as you would want to correct your vision for short-sightedness and far-sightedness. Therefore, people with such eye conditions are required to progressive lenses to have a seamless transition between the two visions. This is much more comfortable for the eyes as well.
What type of glasses will be suitable for people with a square shape?
The possibilities for a square face shape are also extensive. There are different frames that would look incredibly great on people with a square face. People with such a face shape are likely to have sharp features, edges, and a straight line from their forehead to their jaws. Since these people tend to have a strong law line, we recommend you to choose glasses that sit high on the nose which will embrace the feature of the face well. We suggest you go for round frames, instead of angular frames as they will compliment the angular features of your face.
What type of glasses will be suitable for people with a round shape?
People with round faces are most likely to have soft curves around their face. Their face is roughly of the same length starting from brows to the jaw lines. It is because of this that their chin and cheeks look fuller with minimal angles. Thus, we highly recommend people with round faces to go for frames that have angles. This will add the required angles and sharp features to your face which will embrace the shape of your face and compliment the features as well.
How do I adjust to my new prescription glasses?
When we put something in the eyes or above them, in this case, it is not always an easy transition. Eyes do tend to take their time to adjust to the new layer. There might be situations where your eyes hurt after wearing the new glasses because they are constantly working to adjust to the new prescription.
You might also have frequent headaches, or your vision might be a little distorted in the initial days. However, it is important to understand that when we make a change, it is important to give the eyes some time to adjust. It will not take much time, mostly within a week itself, you will get used to wearing the new prescription glasses.
How do single vision lenses work?
Just as any other type of lens, they work either by diverging the light or converging it to correct the default in vision. When the light coming through the lenses is adjusted, it decreases the eye’s focusing power to reduce the strain on the eyes. When your eyes have the right amount of optical power with the help of a lens, the focal point will be placed right on the retina of the eyes. This will help you see things clearly. However, we have difficulty seeing things clearly when the focal point is not directly on the retina. So the aim is to bring the focal point back to the top of our retina with the help of a lens.
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