What is myopia? Myopia (also called nearsightedness) is the most common cause of impaired vision in people under age 40. In recent years, its prevalence is growing at an alarming rate. Globally, rese ...
The main function of protective glasses is to ensure that operators are prevented from or reduced eye injuries caused by accidents during the production process. So, what is the correct way to wear p ...
Don’t buy too cheap reading glasses for your parents. Don’t think that the cheaper the better. Cheap products are only available in the wholesale market. Such glasses have not undergone formal optomet ...
1. Observe whether the welding part of the frame is firm, 2. Is the plating on the surface of the frame smooth? 3. Whether there are defects on the surface of the frame 4. Whether the shape of the ...
Progressive myopia is nearsightedness that worsens year after year. If myopia progresses enough, it can result in high myopia, a severe degree of nearsightedness that increases the risk of developing ...
Many people start to lose their eyesight around the age of fifty. In order to facilitate reading, watching TV, and work, they will go to an optical shop to have a pair of reading glasses. Recently, re ...
Like our lotion, the first is nano-level hyaluronic acid micromolecules, which can penetrate through the surface of the lens to the inner layer of the lens material, making the lens full of moisture. ...
Mention astigmatism, I believe many friends will not feel strange. Actually, the astigmatism that has more than 9 adult eyes to exist different degree, among them there is about 10-20% astigmatism de ...
- Features of good sports glasses 1. The color of the left and right lenses is uniform and the difference is not more than 5%; 2. 100% resistance to ultraviolet rays; no deformation when viewing obj ...
Tips of Contact Lens Ⅱ Knowledge of daily care of contact lenses 1. The correct way to remove and wear Usually people will directly pinch with both fingers a pinch, but actually this is wrong! The ...
How eye color is determined Most of us were taught in high school science class that we inherit our eye color from our parents, and that brown eye color is dominant and blue is recessive. That would ...
Titanium glasses Advantages: Lightweight and comfortable, its material is light among glasses, with good hardness, the frame is not easy to be deformed, corrosion-resistant, rust-free, does not caus ...
Tips of Contact Lens Contact lens replacement methods and materials Annual disposable ≠ good quality Annual disposable = worst Traditional annual contact lenses are made of HEMA, which is the oldest ...
Hello everyone , For last 10 years, we are always selling optical frames. Some client asked for optical instrument, we do not have. Since 2021, we begin to sell optical equipment. Lensmeter, drill ...
1. Introduction of sports glasses - Sports Goggles refer to safety protective glasses worn during sports. Generally, advanced equipment has safety (PC lenses), protection (TR-90 frame, soft and flexi ...
What is myopia? Medically speaking, myopia is one of the refractive errors in the middle of common, is due to congenital or acquired factors (e.g., do not pay attention to use eye sanitation, bad ha ...
Myopia is also called myopia, because this kind of eye can only see near, not far. To distinguish true and false myopia, in addition to optometry in the hospital, a simple method can hang an internati ...
Do not use a dry cloth or paper towel to wipe the lens directly! ! ! Because there are many tiny dust particles on the lens, if you dry wipe, the cloth will rub these dust particles back and forth on ...
Children and technology are practically inseparable these days. Whether for educational purposes or just fun, children are spending a good portion of their day on "screen time" — staring at the LED sc ...
Color weakness is mainly due to poor color discrimination function, which is lighter than color blindness. It is also divided into weak red and weak green. Color weak people, although they can see the ...
Plastic material knowledage Hello everyone, Our eyeglasses are consist of plastic frames and metal frames Do you know what plastic material is ? Plastic divide into Acetate, Ultem, TR90, CP, PC T ...
1. Full Frame: It is a commonly used type of frame, characterized by solid, easy to shape, can hide part of the thickness of the lens. 2. Nylon Wire Frame: A very thin nylon wire for part of the fram ...
A pair of glasses with a blue light filter can resist the harmful purple and blue light effects produced by the digital screen, effectively acting as a sunscreen. Whether you wear prescription glasse ...
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