Progressive lenses and single vision lenses
Single vision lenses are the most commonly used prescription lenses. This lens type has a single field of view or a prescription ability of the entire lens and can be used to correct myopia (nearsightedness) or hyperopia (supervision).
Progressive multifocal lenses are lenses with different upper and lower powers for the upper part to see far, and the lower part to see near. The distance from the fixed power above the lens to the fixed power below the lens does not change suddenly, but there is a gradual transition between the two through the gradual change in refractive power.
What Is Anti Reflective Coating?
Anti reflective coating, also known as AR, anti-glare, no-glare, or glare-free coating, can provide benefits to your vision. Anti reflective coating is added to lenses to reduce glare caused by light hitting the back of the lenses to improve your vision and make your eyeglasses more visually attractive.
Anti reflective coating will eliminate all reflections from the front and back surfaces of your lenses. Hence, more light is able to pass through your lenses which improves your vision. At the same time, fewer distractions are visible and the lenses are hardly noticeable, especially in the dark. So, is anti glare worth it? Most people agree that.
What diopters do rimless myopic glasses suit?
What diopters do rimless myopic glasses suit? It suits myopic diopters to be used by people with diopters of 600 or less than. Usually, the high diopters are 500, 600, or above, Rimless glasses can see the lens directly. The higher the diopters, the thicker the lens. Secondly, in rimless glasses, sunlight can shine in from the axis of the lens, resulting in a dispersion effect, which has a certain impact on viewing. Thirdly, rimless lenses, without the protection of the rim, are easy to be scratched and broken, so they need to be carefully protected and stored. So to sum up, people with the diopters of 500 or 600can choose myopia rimless glasses. But it is not recommended to choose rimless glasses for people with diopters of more than 800.
Why you should be careful when choosing blue-light-blocking glasses?
Prices of blue light blocking glasses in the market now range from 200 to 300 yuan to several thousand yuan. According to the report, current eyewear standards do not prescribe the effects of blue-resistant lenses, and consumers are advised to choose blue-resistant lenses with caution. It is recommended that people with specific eye diseases such as macular disease, age-related macular degeneration, macular hole, and diabetic fundus lesions should choose anti-blue light glasses according to the advice of an ophthalmologist.
The round frames VS square frames
In choosing frame respect, be about to choose according to the face shape of oneself. Circular frames show that the facial ministry line is downier fruity, so they can show young affinity feeling. Contrary, square picture frames, can increase facial ministry line feeling, making facial features relatively mature. If you have a square face, go for round glasses, which will flatter your face and make it less sharp. If you have a round face, go for square glasses, which will make your face less round.
PRiSMA blue light blocking glasses
PRiSMA is a functional anti-blue light glasses brand introduced by Germany to the world. Since its establishment in 1993, PRiSMA has been selling well in 33 countries and regions around the world. They use OAR double-layer coating technology to reduce reflection and increase penetration index. Ensuring a high blue light barrier at the same time, they increase the color contrast, so you can see more clearly, and effectively relieve eye fatigue. The product can protect the retina and relieve visual fatigue. They regulate melatonin secretion or reduces visual stress.
What are the benefits of recycling old glasses?
Recycling old glasses contributes to sustainability and reduces waste. It is a way to give charity in addition to giving money. It can be able to teach children the importance and impact of philanthropy.
