Your glasses are not symmetrical.
If one side of the frame looks higher than the other, you need to adjust the arm. If the right side is higher than the left, gently bend the left arm at the hinge or where the arm bends behind the ear. If the left side is higher than the right, gently bend the right arm at the hinge or where the arm bends behind the ear. Adjusting the frames a little at a time may damage your glasses. Place your arms in warm water to make them easier to adjust. Use only warm water from the tap. Don't use boiled water! Because it affects the coating on the lens. If one adjustment is not in place, it can be adjusted several times, and the above methods can be comprehensively used. If the adjustment is really bad, then you have to go to the optical shop to ask the staff to adjust.
The Price of Progressive Lens
On both sides of the lens of the progressive lens, some places are deformed, which makes the image blurred. In addition, it has a narrow field of view in the near and middle distances. The narrow focus point for a long time can easily make the eyes tired. It is suitable for the alternate vision of far, middle, and near. Under normal circumstances, the price of the progressive lens is different from the purchase merchant, region, brand, and quality, but the price of the progressive lens on the official website is between 30-85 US dollars. Of course, some products will be less than $30, or more than $85.
What Are High Index Lenses?
High index lenses are composed of a special plastic that is good at bending light. With this feature, high index lenses can be much thinner than standard lenses while having the same prescriptions.
So, polycarbonate lenses vs high index lenses, what are their differences?
An unlimited discount is not reasonable.
5 discount, 3 discount, 1.5 discount, we can see that glasses category discount is lower and lower. But glasses are not consumable, like cell phones, appliances, or even less frequently than they are. Because, unlike consumables, it has an incompressible cost structure. Behind such discounts, there is sometimes the marketing strategy of raising the price of glasses first and then lowering the price.
Bertoni polarized glasses
Bertoni polarized night vision driving glasses are made of strong, flexible, durable, and ultralight polycarbonate. Yellow polarization increases contrast, improves visual acuity, and filters out blue light. They are great for drivers, cyclists, and winter sports enthusiasts. The driving glasses with polarized yellow lenses block glare from headlights, reduce night driving glare, improve night vision, and improve color clarity and visual clarity. They are ideal for driving in low-light conditions. Most sports sunglasses glasses frames and goggles are made of polycarbonate because of their strong, thermoplastic, lightweight, and impact resistance features.
What is a drop ball test?
The Drop Ball Test, known as the Basic Impact Test, is an Impact Test administered by the Food and Drug Administration to determine the safety of eyeglasses. Eyeglasses (sunglasses, exercise glasses, near-sightedness glasses, reading glasses, etc.) are a category of medical devices covered by the Food and Drug Administration. When glasses are exported to the United States or put on shelves on Amazon,eBay, and other platforms, they need to be registered by FDA. Besides the product listing, when the product passes the customs, the company may be asked to produce a Certification Statement of Impact Resistance stating that the product meets 21CFR801.410 Drop Ball Test requirements.
Competition in visual marketing
The offline experience of consumers is pretty important. Store space design, planning and layout, and commodity display form are important parts of visual marketing. If all three can be balanced and matched, it will drive sales growth.
