How to Tell If Your Progressive Lenses Are Correct?
When you can’t read with your progressive glasses, you can try this way. Hold something you want to read in your hands and lower your look with your eyes. But please note do not move your chin down as you look down. Then look down at something to read but do not lower your chin. Look at something you want to read. Rotate your head to the left and right and right with one eye at a time. If you can read in a rotated position, the reading zone is out of place. If you can’t read at all, the progressive glasses may be wrong.
Step-by-Step Glasses Size Guide
In this section, we will show you how to perform glasses measurements. But the first thing is to know what face shape you have. If you do not know, click here to have a check.
Then you need to know where to find the size measurement of your glasses. In general, you will find numbers that look like this 51-17-145 at the temples of your eyeglasses. Of course, these numbers come at different meanings.
The first number often refers to the lens width. Lens width is the horizontal diameter of the lens at its widest point. In optometry, another term is eye size.
The second number often means the bridge width. Bridge width is the part that joins the two lenses and sits over the nose. Some refer to this as the gap. The bridge width varies between 14 and 24 millimeters.
The third number often means the temple length. The temple is the arm that keeps the sunglasses on your face. That arm extends to the part that hangs on the ears. The length is usually 135, 140, or 145 millimeters.
Lens height measures the size of the lens vertically, that is from the top to the bottom of the lens. Although sizes may differ depending on the brand, the standard size is somewhere between 32 and 38 millimeters.
Choose clear glasses for kids of suitable temples and nose pads.
Children's head is very different from adults, especially the height of the bridge of the nose. Most children's bridge of the nose is low. Therefore, it is best to choose a high nose pad for children's glasses or an adjustable eyeglass frame for the nose pad. The temples of the glasses should not cause uncomfortable pressure and the glasses should be kept in the correct position. Sporty temples are another option. The temples are very flexible, and they fit well into a child's ear. It should extend to the earlobe and be covered with soft plastic.
The sporty style
Sporty style frames are a little cool, full of vitality, well-designed. They pay attention to every detail, with publicity but not exaggerated feelings. With good material, they effectively prevent collision injury to your eyes in the process of movement, greatly improving safety. The style is simple and smooth, and the appearance is dynamic and fashionable, and the color collocation is diversified. With the integration of four progressive technology to better protect your eyes, they are your outdoor leisure tourism sports choice.
Benefits of wearing blue light blocking glasses
-
Use blue light blocking glasses to relieve eye discomfort.
Excessive use of the device can cause computer vision syndrome or digital eye fatigue. Glasses with blue light filtering technology can enhance your concentration and reduce eye fatigue, thereby making your eyes feel less tired and improving work efficiency. Another way to reduce eye strain is to ensure that you stay away from the screen regularly.
-
Sleep better with blue light blocking glasses
One of the more surprising effects of touching the screen is that it may have a negative effect on sleep patterns. Blue light has a high energy frequency, which can increase alertness and delay the body's release of melatonin, which helps induce sleep. Generally speaking, we should all avoid using Blu-ray devices one to two hours before going to bed. Anti-blue light glasses can reduce the impact of blue light, allowing you to use your device before going to bed and still have a good night's sleep. However, the best option is to put down the screen before going to bed.
-
Reduce the possibility of AMD
Age-related macular degeneration (AMD) is the main cause of blindness. Anti-blue light lenses can help avoid or delay this situation by preventing blue light from affecting your eyes.
Computers, TVs, mobile phones, and tablets all emit blue light. Even with long-term exposure, the blue light emitted by these devices may not be enough to cause damage to the eyes or vision. However, further research is needed to confirm whether the blue light emitted from these devices is harmful. Experts are also uncertain whether blue light glasses can help symptoms associated with increased screen exposure. Ophthalmologists suggest that eye fatigue, headaches, and lack of sleep may be related to computer vision syndrome, rather than blue light exposure. For eye health, wearing blue light blocking glasses is not enough, we still have to develop good eye habits.
What is a good progressive lens?
No matter how close the objects you see, the lenses are guaranteed to give you a clear view. Whether it's working with a computer, using a smartphone or tablet screen, or simply reading the newspaper, it's all about bringing a comfortable feeling for you. At the same time, the lenses have greater contrast and clarity. The lenses have been tested and approved by the wearer to ensure customer satisfaction, including quick and easy adaptation.
How to Remove Scratches from Prescription Glasses with Coating
It would be an unfortunate thing if there is a scratch on your prescription glasses. Some people may ask how to remove scratches from prescription glasses with coating. Unluckily, there is no magic cure to remove scratches from prescription glasses. Once your glasses are scratched, they are scratched.
However, there are some products on the market designed to make the scratches look less visible. In fact, most of these products are just waxy substances that wear off easily and they even can smear anti-reflective lenses.
So, if your glasses are scratched, for optimum vision and safety, you had better replace your lenses if they become scratched. When purchasing the glasses, you can go to the local optical store or choose online. For example, the Koalaeye Optical is a good choice because it is cheap and has free shipping. You can find some professional explanations on this website, such as Sphere, Cylinder, or Axis.
