Geometric Clear sunglasses
The geometric shape of sunglasses is really novel, with the front and back of the two layers of design, to add a rich sense of line to the cheek. Choose individual character dyed-in pick eyebrow, matching again super short hair, individual and fashionable.
Design principle of progressive multifocal lens
For the same piece of the lens, the top is used to see far, the bottom is used to see close. The upper and lower degrees are different.
There is not a sudden change in the distance degree fixed above the lens to the near degree fixed below the lens, but a gradual transition between the two through gradual changes in refractive power, which has special benefits over common bifocals or trifocal lenses.
What are the benefits of Silhouette?
The wonderful style suits both men and women. The glasses are made of strong, reliable, and not heavy metal. They adopt a screw-free design and high-quality process. The glasses are made of titanium alloy temples and are highly ergonomic. They are not heavy and elastic (only 1.8 grams in weight), independent of momentum changes and extreme gravity. The temples and nose pads are made of hypoallergenic titanium alloy. With no screws and hinges, they provide optimal safety in space conditions.
Eyeglasses String Holder Straps Cord 4 Premium Eyeglass Chains for Men Women
The eyeglasses cord is equipped with a progressive eyeglasses belt ring protection mechanism to completely prevent your eyeglasses from falling. The eyewear strap can be held close to different types of eyewear temples. This cable holder is perfect for small, wide arms. They have an eyewear chain and string with an adjustable design, and an eyewear lanyard comes with a surprise gift. They provide a lifetime warranty, so you can rest assured to buy.
How to buy contact lenses online?
Choose a standard retailer. Contact lenses belong to three types of medical device products, and the sale of contact lenses and their care solution belongs to medical behavior. No matter it is an optical shop or contact lens e-commerce website, it must have a Medical Device Trading Permit before it can be sold. The trend of buying contact lenses online is obvious, and there are a lot of websites of individuals and contact lenses that do not have business licenses. Therefore when the user buys a contact lens on the net, be sure to look for management qualification of Medical Device Trading Permit, guard against being cheated.
Important to measure pupils
The interpupillary distance refers to the distance between the centers of the two pupils when the visual axis is square and parallel. In general, the optical center of the glasses should coincide with the visual axis of the eye when looking at eye level. That is, the optical center distance of the glasses should be the same as the interpupillary distance. Otherwise, visual discomfort will occur, causing visual fatigue and deepening the degree. Therefore, we must improve consumers' awareness of self-quality protection. Understand the knowledge of glasses, otherwise, only mild myopia, the long-term wearing of unqualified glasses will cause the degree to deepen and become high myopia. So be sure to go to a regular optician to get glasses.
Costco Optical is staffed by highly trained opticians and is well known in the Optical industry. The Optics division also stocks a wide variety of contact lenses, brand name frames, and sunglasses, and provides the latest high-definition lens technology. Costco now accepts most vision plans.