What are progressive lenses?
Progressive lenses, also called progressive multifocal lenses, are lenses that have multiple focal points. If it is divided from the focal point, the lenses can be divided into single focal lenses, bifocal lenses, and multifocal lenses. The original intention of progressive multifocal lenses is to provide natural, convenient, and comfortable correction methods for presbyopia patients. A pair of glasses can see far away, close up, and mid-range objects. After wearing them, one pair of glasses is equivalent to using multiple glasses. Because of the different nature, characteristics and applicability, progressive lenses are more expensive than single vision lenses.
Pay attention to the purchase of driving glasses.
A few points need to be kept in mind to avoid the risk of accidents. The frame should not exceed the size, because the researchers say the lens color should be gray or brown, so you can choose the aviator sunglasses, compared to other series. Aviator Sunglasses are always classic. There are plenty of cool experimental design glasses to choose from every year on the market. The selection of polarizing mirrors can filter the scattered light in the beam, remove stray light so that the light can be reflected into the eye from the right direction of the optical axis. The field of vision is clear natural. Light is adjusted in the same direction as light and reflects into the room, so the natural scenery looks soft and not dazzling, especially when driving a car or doing outdoor activities. It will affect the judgment of the object and cause danger, what’s more, long-term direct stimulation by the sun will lead to the decline of vision, the formation of myopia, hyperopia, astigmatism, or cataract.
Two Tone Glasses Tortoise and Light Yellow
The rectangular two tone glasses provides additional flexibility and comfort with its innovative design, which is especially designed for men. Two tones, the tortoise in the upper part and the khaki in the bottom part. The high-quality acetate makes it luxurious and durable, while the unique finish adds a stylish touch to the frame. In this way, the intricate details can show some extra style while still being perfectly suitable for everyday wear.
The Eye Elegance
The Eye Elegance is a true one-stop-shop for the best choice of unique eyewear. Each frame is a boutique based on its unique design, quality materials, and superior craftsmanship.They provide you with a relaxed and enjoyable shopping experience and help you finally find the designer frame or designer sunglasses to suit your unique style and specific needs. In addition to designer frames, a variety of custom services are available, like custom lens shaping, painting, sun clips, and even frame design.
The Custom painting service allows you to easily get the exact color you want on the frame, highlighting your unique and bold taste. They provide professional frame repair to ensure that your glasses are in the best condition.
Tortoiseshell glasses are comfortable to wear.
For myopic friends, a comfortable frame is needed. Tortoiseshell glasses frame is convenient to wear. When you sweat in summer, the frames will not slide, and the bridge of your nose will not be marked. This is one of the reasons why many people like tortoiseshell frames.
For people who need to wear glasses, it is very important to match a suitable pair of glasses, because glasses will usually use for a long time. If the collocation is not good, it will not only affect the appearance, but bring dizziness, or even eye discomfort. Tortoiseshell glasses frame again gets the public love and becomes the pursuit of personality of modern fashion, tide.
What are bifocals?
A bifocal lens is a lens with two focal points. Because of the imaging principle of the lens, even half of the lens can still present a complete image, and the two images do not interfere with each other. In the past, both short-sighted glasses and presbyopia glasses were called single-focal lenses, which had only one focus. Later it developed to the bifocal lens, and the same lens is divided into upper and lower two parts. The upper part of that lens is used when seeing far, and you look down when seeing close objects, just the reading distance, naturally used the second half.
What Are Varifocal Glasses?
Varifocal glasses, also known as varifocals, varifocal lenses, PALs, or progressive lenses, have a gradual change in strength from the top of the lens to the bottom with multiple focal points in between. This allows you to see all distances and focus points through just one lens. Varifocal lenses are typically used when you have two prescriptions, one for distance and one for reading.
There are three regions of a varifocal lens which are distant zone, intermediate zone and, near/reading zone. Usually, the upper portion of the varifocal lens is the distant zone and the bottom portion of the varifocal lens is the near or reading zone.
One of the benefits of varifocal glasses is that you do not need to prepare 2 separate pairs of glasses or need to switch between frames for different vision needs.
