ShadyVEU HD blue light blocking Glasses
The anti-reflective yellow and amber lenses are the best choices for outdoor vision protection, as they reduce high-intensity glare from bright lights (headlights, LED signs, etc.) at night. They are suitable for daytime driving with a clear vision, especially in low light conditions such as rain, haze, and winter. Yellow and amber-colored lenses help block out our computer screens, smartphones, games consoles, tablets, and TVs, helping to prevent melatonin suppression and thus helping wearers fall asleep faster.
They are suitable for sports, hunting, fishing, cycling, work, practical and construction work, day driving, night driving, bright days, snow days, and low light conditions.
How to Find Reading Glasses Strengths?
Some reading glasses also come with strengths. So, how do you know what strength reading glasses to get and how to find reading glasses strengths? The strength of all reading glasses is measured in dioptre, with units increasing by 0.25 dioptre depending on the power of the lens.
The reading glasses strengths range from +0.75 dioptre to +3.00 dioptre. Both lenses have the same power which is indicated by a permanent marking on the inside of the frame or with a removable sticker on the lens. So, you can find the reading glasses strengths of the glasses.
The important thing you need to notice is that when higher the number, the greater the power of the lenses is when choosing reading glasses. So, glasses with a marking of 1.0 are low power while those marking +3.0 are high powered.
Anti-fog lens cloth
Anti-fogging glasses cloth is composed of multiple layers of material pressed together, and the material absorbed a sufficient amount of antifogging agent. It can be directly wiped on any lens. Like spray anti-fogging agents, anti-fogging time is relatively short, and can not be wiped or washed. Long time use will affect the life of the lens. The range of lenses available is limited.
Need to re-adapt to new glasses
When the glasses were damaged, the glasses were not replaced in time. As a result, the nearsighted person wears old glasses and continues to look at things. The old glasses have 'remodeled' the eyes in the long-term process, and the eyes have adapted to the old glasses. Therefore, even if the power of the new glasses is the same as that of the old glasses, the new lenses will feel brighter. In this case, eyes produce uncomfortable symptoms. It is recommended to use the new glasses early the next morning. After a night's rest, the eyes will be easier to adapt to the new glasses. After a few days of continuous wearing, the dizziness symptoms will disappear.
Are progressive lenses expensive?
The PAL tends to be more expensive than other lenses because you are definitely combining three lenses into one. Digital PAL is more expensive, but they are more personalized and specific to your size. This is key to providing the best visual experience. The cost of progressive lenses depends on several factors, including your prescription, the brand of glasses you choose, and other factors. However, you must remember that one progressive lens can replace multiple pairs of glasses, which can save you money in the long run. The price of progressive multi-focus glasses is different with different styles and different brands, from more than a hundred to thousands of yuan. We must choose according to our own economic situation.
Shape memory alloy
It is made up of nickel, titanium, vanadium, and other metals, and has good elasticity. When faced with external force, the temple can bend more than BETA titanium alloy and can be restored to the original state, so it is named shape memory alloy.
Half titanium frame: Usually, it refers to the titanium combination frame, such as metal frame with pure titanium or β titanium conveniently. It can be reversed, and the former is more common.
How to Remove Coating from Plastic Glasses?
To remove coating from plastic glasses, you need to prepare some things which are etching cream, cotton buds or a small brush, rubber gloves, protective glasses and microfiber cloth.
Now, we will show you how to remove coating from glasses.
- With a cotton swab, scoop a little bit of etching cream. Carefully apply it to the whole surface of the lens. (both front and back).
- Let it sit for 5 minutes.
- With another cotton swab, do a little scrubbing around the surface of the lens. (both front and back).
- Wash thoroughly with soap and water.
Then repeat the processes if there is any coating left. After all steps are finished, you can successfully remove coating from plastic glasses.
