what is an optical frame? | KOALAEYE OPTICAL

what is an optical frame?

Driving Glasses - S MARCO

S MARCO professional driving glasses and S MARCO professional radiation glasses have become a new favorite family.S MARCO professional driving glasses have unique functions, opening a new page of driving glasses. The biggest advantage of S MARCO glasses is that it has its own patent in professional driving glasses, and the technology adopted is nano-polarized light technology. In addition, the driving glasses designed by the S MARCO team are based on Oriental faces, car conditions, and driving habits. With stylish style, they are comfortable to wear, functional and practical, very suitable for Chinese people to use.


The taboos of wearing glasses while driving at night

Night driving members should not wear tawny, green, and gray glasses. Tawny glasses can filter out most of the ultraviolet rays, although can make our eyes feel relaxed but easy to make people sleepy. Green glasses will turn red lights into black, directly affecting our judgment of traffic lights, so there is a great safety risk. Grey glasses, due to their low light transmittance, will weaken our line of sight and affect our observation of the road.



Thin frame glasses

Curved-rimmed glasses are very popular and common nowadays. It feels serious and intellectual. It is suitable for all face shapes. There are many colors to choose from. Fairies who especially like square frames can choose thin square glasses with gold wire. The border is not too obvious but it has edges.


Why are eyeglass frames are so expensive?

Good frames and bad frames are very different just in how they feel. The bigger the brand company, the more money it invests in the design, research and development, production equipment, and equipment of the lens frame every year, so as to improve the wearing comfort and improve the combination and precision of the lens. Even if for the general assembly line, the processing process is also very complicated. The most expensive things to make by hand are labor and time.



What Are Plano Lenses?

Plano lenses are simply optical lenses which provide no corrective power. That is to say. Plano lenses are eyeglasses lenses that provide no vision correction. They are in widespread use as protective equipment or safety spectacles designed to protect against eye injuries caused by flying dust, metal, wood chips, and other particles.

What Does Plano Mean for Glasses?

If you need a pair of plano glasses, you will see the term plano, PL or 0.00 in the Sphere box on your eye prescription paper. That means that the lens has no corrective power. If only either of your eyes requires correction, you may be given a pair of glasses that as one corrective lens for the affected eye and a plano lens for the unaffected eye.


Put into the lens box when not in use.

When taking off glasses, many people will easily hang them on the head, collar, or casual display, so that glasses often suffer a variety of damage. To do this, fold the glasses and place them face up in the case. Do not place your glasses in direct sunlight or in high temperatures, as heat can easily peel off the film on the lens. For example, in summer, the glasses are exposed to direct sunlight in the car for a long time, which is easy to cause lens stripping.


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The birth of progressive lenses

In 1907, British optometrist Owen Aves first proposed the concept of progressive lenses and got the first patent of progressive lenses. In 1910, Henry Orford Gowlland designed and made a similar lens in Canada, but technical limitations prevented it from succeeding. In 1959, Bernard Maitenaz, a French optical and mechanical engineer, developed the first progressive lens, which was successfully put into the commercial market for the first time and became a milestone in the history of world optometry. With the development of science and technology, the design of progressive lenses has been greatly developed.

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