Are Photochromic Lenses Good For Mountain Biking? | KOALAEYE OPTICAL

Are Photochromic Lenses Good For Mountain Biking?

Safety Sunglasses Lowes Du liest Are Photochromic Lenses Good For Mountain Biking? 5 Minuten Weiter Driving Sunglasses Reviews | Top 5 Frames

Should you choose titanium or pure titanium frames?

In reality, there is no absolute good or bad, if it is comfortable to wear, suitable for personal preference. They are good glasses for a single person, because if someone else wears the right and good-looking glasses, you may not wear the right and good-looking glasses yourself. Therefore, it is still a specific problem, with specific analysis, suitable for their own is good.


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.



Best Frames For Heart-Shaped Faces

The heart-shaped face should be one of the favorite faces of Asians. It is characterized by a wide forehead, prominent cheekbones, and narrow and pointed lower jaw. This face shape is not balanced up and down in appearance, and the upper part is larger and more prominent than the lower part. Need to wear sunglasses with a wider bottom, which can increase the width of the lower half of the face. The lower mirror foot position also helps to improve this effect. Don't pick a special big style, normal size will do. Pilot sunglasses with a more angular top and bottom can be used to balance the roundness of the heart-shaped face and chin, increase the sense of facial lines, and visually make the face fuller. Retro black round sunglasses, coupled with a handsome choker, highlight the full street casual style. The recently popular 'inverted triangle sunglasses' are also very suitable for heart-shaped faces. The raised angle of the frame can correct the facial lines and add some angularity to the face. The inverted triangle sunglasses also have a retro temperament, and it feels that there is a mysterious demeanor hidden.


What Are Bifocal Glasses?

Bifocal lenses are divided into two parts to accommodate two different prescriptions in one lens. One area of the lens will have one prescription (usually distance) and a segment in the lower half will have the other (usually near vision).

Bifocal glasses are most used to correct presbyopia - an age-related eye condition where the eyes begin to struggle to focus on anything up close. This difficulty usually results in people requiring glasses with two different prescriptions, one for short and one for long-distance.

On bifocal glasses, there is a distinct line between the different prescriptions. Wearers have to look up and down to switch between the prescriptions they need, with long-distance prescriptions at the top and near vision at the bottom.



Size of the glasses frame

Children's glasses should have enough field of vision. Because children have different kinds of activities, try not to choose frames that will produce shadows and blind corners. If the frame is too small, the field of view will be smaller. If the frame is too big, it will be easy to wear instability, and weight will increase. So the frames for children should be moderate in size.


Can You Get Prescription Gamer Glasses?

Most gaming glasses are not designed to be worn on top of your prescription eyeglasses, but you still have some other options.

You can order gaming glasses with prescription lenses. Make sure the frames are optical grade so they can accommodate lenses of varying thickness.

You can also choose clip-on gaming glasses because they are easy to store and light to wear.

Order daily glasses with anti-reflective or blue-light coating because they can also protect your eyes.


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Method of taking off the contact lens

Wash your hands before removing contact lenses, and be careful not to leave long fingernails, to avoid contamination of the lenses by bacteria and nail scratches. Look up, open the upper and lower eyelids with the left index finger and right middle finger. Pinch the middle and lower edge of the lens gently with the thumb and index finger of the right hand, and remove the lens. You can use the index finger first to move the lens down, and then gently pinch the middle and lower edge of the lens with the thumb and index finger belly, and take off the lens.

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