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.
The Disadvantages of Aspheric Lenses
Here, we will show some disadvantages of aspheric lenses.
The aspheric lens has a relatively small light area. When the eyeball rotates around, it will blur a little when looking at the outside through lens edge. In other words, the visual range of the line of sight becomes smaller.
Human’s eyeball is spherical and the eyeball rotates to the edge. Through aspheric lenses, the objects near the eye appear protruding.
Wear glasses timely.
You must pay attention to that whether it is myopia, farsightedness, astigmatism, it is recommended to wear glasses in time. Especially for children, for the first time, it is recommended to have professional ophthalmic optometry. If it is pseudomyopia, temporarily they do not wear glasses. Drugs, physiotherapy, and other methods can be used to promote rehabilitation. If it is true myopia because the axis of the eye has increased, it should be corrected as early as possible, and then take comprehensive prevention and treatment measures to control the deepening of myopia. Otherwise, it will not only affect study life but can make myopia more and more serious.
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How to Combat the Photophobia?
Photophobia can’t be completely prevented, but it can be managed. So, you can try the following suggestions.
- Wear photophobia glasses, computer glasses, or glasses for light sensitivity.
- Choose natural lighting for indoor settings when possible.
- Consider vision therapy.
- Wear blue light blocking glasses.
- Seek medical attention if symptoms worsen.
So, from the above information, you can find that you can wear photophobia glasses to relieve the photophobia. What are the benefits of photophobia glasses.
The classification is different.
Acetate frames can be divided into two kinds, one of which is the lens using acetate fiber processing of plate cutting. The other is the injection frame. It uses acetate fiber particles. Acrylic acid is a kind of unsaturated organic acid, which can be derived from a series of compounds to form a large class of acrylic products. Acrylic acid downstream products contain common acrylate and special acrylate. It has the characteristics of heat resistance, weather resistance, aging resistance, strong adhesion, water resistance, acid and alkali resistance, stickiness resistance, and environmental friendliness.
What Should You Do If Your Glasses Are Broken?
Adjust the frame by yourself. If your frame is tilted, place your glasses on a flat surface to determine which arm is higher than the other. If the right arm looks raised, you'll need to use pliers to bend the left arm down at the hinge. Or, if the left arm is raised, bend the right arm at the hinge. You can bend your metal-framed arms inward. You can turn the nose pad inward if the glasses slip under your nose. To make the frames more flexible, you can heat them with a hairdryer. If the metal frame has broken into pieces, you may need to take it to a professional. However, if your metal frames just bend, you may be able to repair them by yourself.