Soloflex

This has been considered to be a disadvantage by serious weight trainers who have stated that it reduces the efficiency of the exercise provided. These include:. Soloflex machines use an elastic element to provide resistance which means that force increases further into the exercise. Some fictional characters are predominantly depicted as wearing sunglasses. The case was settled out of court with an 8 million dollar cash payment to Soloflex [2]. These people include:. Soloflex, the company has been involved in a major lawsuit over the similarly named Bowflex exercise machine which they have claimed damaged their marketing both through "copycat" advertising and later through a major product recall[1]. Some celebrities are predominantly seen in public wearing sunglasses, even indoors.

Soloflex also makes the Rockit and adjustable dumbbells. There are also various words referring to eyepieces with darkened lenses:. The machine was the first of its kind. In 2004, Oakley developed Thump, sunglasses with built-in digital audio player. Soloflex refers to an exercise machine and the company created in 1978 by Jerry Wilson which makes the machine. Land began experimenting with making lenses with his patented Polaroid filter. Sunglasses would not become polarized, however, until 1936, when Edwin H.

Foster found a ready market on the beaches of Atlantic City, New Jersey, where he began selling Foster Grants from a Woolworth on the Boardwalk. Sunglasses as such were introduced by Sam Foster in 1929. Protection from the sun's rays was not a concern of his. These were not "sunglasses" as such; Ayscough believed blue- or green-tinted glass could correct for specific vision impairments.

James Ayscough began experimenting with tinted lenses in spectacles in the mid-18th century. Compare the representation of "blind Justice" in Western art. Contemporary documents describe the use of such glasses by judges in Chinese courts to conceal their facial expressions while questioning witnesses. The "lenses" of these glasses were flat panes of smoky quartz, which offered no corrective powers but did protect the eyes from glare.

Sunglasses were first used in China in the 12th century or possibly earlier. It is said that the Roman emperor Nero liked to watch gladiator fights through polished gems.
. Their popularity with the Pilots in the United States has earned them the nickname "Pilots Glasses".

Aviators are sunglasses with a dark lens. Their popularity with police officers in the United States has earned them the nickname "cop shades". Mirrorshades are sunglasses with a mirrored coating on the surface. While originally worn by Onassis in the 1960's, the glasses eventually became popular with younger American girls around the year 2000.

This style of sunglasses is said to mimic the kind most famously worn by Jacqueline Kennedy Onassis. Onassis glasses are very large sunglasses worn by women. Styles that use two lenses also exist, but less common. The most common type of sunglasses with interchangable lenses have a single lens or shield that covers both eyes.

It also allows easy replacement of a set of lenses if they are damaged. The reason for this is because the cost of a set of lenses is less than the cost of a separate pair of glasses and carrying extra lenses is less bulky than carrying multiple pairs of glasses. The purpose of this is to allow the wearer to easily change lenses when light conditions or activities change. Lenses can be easily removed and swapped with a different lens, usually a different colored lens.

Some sports oriented sunglasses have interchangeable lens options. There are two styles of frameless glasses, those that have a piece of frame material connecting the two lenses together, and those that are a single lens with ear stems on each side. Frameless glasses have no frame around the lenses and the ear stems are attached directly to the lenses. Half frames go around only half the lens, typically the frames attach to the top of the lenses and on the side near the top.

Full frame glasses have the frame go all around the lenses. There are three common styles: full frame, half frame, and frameless. Frames can be made to hold the lenses in several different ways. Oakley, for example, has straight ear pieces on all their glasses.

The end of the ear pieces are usually curved so that they wrap around the ear; however, some models have straight ear pieces. The end of the ear pieces and the bridge over the nose can be textured or have a rubber or plastic material to hold better. Because metal frames are more rigid, some models have spring loaded hinges to help them grip the wearer's face better. Metal frames are usually more rigid than nylon frames thus they can be more easily damaged when participating in sporty activities, but this is not to say that they cannot be used for such activities.

This flex can also help the glasses grip better on the wearer's face. They are able to bend slightly instead of breaking when pressure is applied to them. Nylon frames are usually used in sports because they are light weight and flexible. Frames are generally made from plastic, nylon, a metal or metal alloy.

CR-39 lenses are the most common plastic lenses, due to their low weight, high scratch resistance, low transparency for ultraviolet and infrared radiation, and other advantageous properties. Polycarbonate lenses are the lightest, and are also almost shatterproof, making them good for impact protection. They do however, offer more resistance to shattering than glass. Plastic lenses are lighter than glass lenses, but are more prone to scratching.

They can also shatter or break on impact. Glass lenses have the best optical clarity and scratch resistance, but are heavier than plastic lenses. Plastic lenses are typically made from acrylic, polycarbonate, or CR-39. Sunglass lenses are made from either glass or plastic.

Some people who are severely visually impaired but still sighted wear sunglasses in order to protect their vision against glare. Before the introduction of sunglasses, one-eyed people could wear an eyepatch to not disturb other people. People with severe visual impairment, such as the blind, often wear sunglasses so they do not make others uncomfortable with the fact that they cannot make eye contact with them (not seeing eyes may be better than seeing eyes which seem to look in the wrong direction), or to hide the eyes if their appearance is abnormal, for example due to cataracts. These are known as photochromic lenses.

Some lenses gradually darken with bright light and lighten in darkness. Corrective lenses can be darkened to serve the same purpose, or secondary clip-on dark lenses can be placed in front of the regular lenses. With the introduction of office computing, ergonomists can recommend mildly tinted glasses for display operators to increase contrast. The manufacturer, any of the above features: color, polarization, degradation, and mirroring, can be combined into a set of lenses for a pair of sunglasses.

These type of sunglasses are sometimes called mirrorshades. For example, a gray lens can have a blue mirror coating, and a brown lens can have a silver coating. The color of the mirrored surface is irrelevant to the color of the lens. These mirrored coatings can be made any color by the manufacturer for styling and fashion purposes.

This mirrored coating reflects some of the light when it hits the lens before it is transmitted through the lens making it useful in bright conditions. A mirrored coating can also be applied to the lens. Some models use a degradation where the top of the glass (through which the sky is looked at) is darker and the bottom is transparent. Some models have polarized lenses to reduce glare caused by light reflected from polarizing surfaces such as water as well as by polarized diffuse sky radiation (skylight).

Some sunglasses with interchangeable lens have optional clear lenses to protect the eyes during low light or night time activities. Clear lenses are used typically to protect the eyes from impact, debris, dust, or chemicals. Blue and purple lenses offer no real benefits and are mainly cosmetic. Yellow lenses are commonly used by golfers and shooters for its contrast enhancement and depth perception properties.

Orange and yellow lenses have the best contrast enhancement and depth perception but cause color distortion. Red lenses are good for medium and lower light conditions because they are good at enhancing contrast but causes color distortion. Brown and green lenses cause some minimal color distortion, but have contrast-enhancing properties. Grey lenses are considered neutral because they do not enhance contrast or distort colors.

The color of the lens can vary by style, fashion, and purpose, but for general use, green, grey, or brown is recommended to avoid or minimize color distortion, that could be dangerous when, for instance, driving a car. In both tests, no part of the lens can touch the eye. In the high velocity test, a 1/4 in (6.35mm) steel ball is shot at the lens at 150 ft/s(45.72 m/s). In the basic impact test, a 1 in (2.54 cm) steel ball is dropped on the lens from 50 in (127 cm).

These are voluntary standards, so not all sunglasses comply, nor are manufacturers required to comply. Some sunglasses also pass ANSI Z87.1 requirements for basic impact and high impact protection. Cheaper sunglasses look good but maximum protection is not guaranteed. The rule of thumb is, the more expensive and the more known the manufacteror of the sunglasses the more protection.

In the preparation for solar eclipses, health authorities often warn against looking at the sun through only sunglasses. In the European Union, a CE mark () identifies glasses fulfilling quality regulations. It is important that the makers of one's sunglasses ensure that the glasses protect against UV (ultraviolet) rays. Various types of disposable sunglasses are dispensed to patients after receiving mydriatic eye drops during eye examinations.

Eyeglasses improve visual comfort. People also wear sunglasses when they don't want others to see that they're high by looking at their bloodshot eyes. The impact on nonverbal communication and the cool image can be the reasons for wearing sunglasses by night or indoors. Curiously, they can project an image of uncool nerdiness that sunglasses do not have.

Note that normal glasses are very rarely worn without a practical purpose. Darkened sunglasses of particular shapes may be in vogue as a fashion accessory. Many cultures do not take them kindly. Hiding one's eyes has implications in face-to-face communication: It can hide weeping, being one of the signs of mourning, makes eye contact impossible which can be intimidating, as in the stereotype of the guardian of a chain gang, or can show detachment, which is considered cool in some circles.

. From the 1950s to the 1990s sunglasses were popular as a fashion statement, especially on the beach. Sunglasses have also been associated with celebrities and film actors primarily due to the desire to mask identity, but in part due to the lighting involved in production being typically stronger than natural light and uncomfortable to the naked eye. It has been recommended to wear these kind of glasses on sunny days to protect the eyes from ultraviolet radiation, which can lead to the development of a cataract.

In outdoor activities like skiing and flying, the eye can receive more light than usual. Many people find direct sunlight too bright to be comfortable, especially when reading from paper on which the sun directly shines. Sunglasses are a visual aid, variously termed spectacles or glasses, which feature lenses that are coloured or darkened to screen out strong light from the eyes. Riff from Sluggy Freelance.

Scar from Fullmetal Alchemist. The MacManus brothers from The Boondock Saints. Duke Nukem( as of Duke Nukem 3D). Jimmy from WarioWare, Inc..

Johnny and Bunny Bravo from Johnny Bravo. Steven Hyde's red aviator sunglasses from That '70s Show. The mirrored aviator sunglasses of the silent boss figure prominently in the plot of Cool Hand Luke. Rude, a member of the Turks from Final Fantasy VII.

Gendo Ikari, from the anime Neon Genesis Evangelion. Anthony Crowley, from the novel Good Omens by Terry Pratchett and Neil Gaiman. The Energizer Bunny. Clifford, a Muppet character.

Albert Wesker from the video game Resident Evil. Most of the mafia members from the anime Gungrave. The crew from Reservoir Dogs. Interestingly, all of the protagonists wear rounded lenses, while the antagonists wear rectangular lenses.

Most characters from The Matrix movie. The Men in Black and the Men in Black of urban legend. Matt Murdock, blind lawyer from "Daredevil". Cyclops, from the X-Men - wears sunglasses when he is not in costume with his visor.

Max Headroom - 1980s "computer generated" celebrity. The reporter crew of the Argentinian and Spanish shows Caiga Quien Caiga. The Blues Brothers, musicians. John Munch, Detective in Homicide: Life on the Street,Law & Order: Special Victims Unit (played by Richard Belzer, see above).

Blade (comics), A fictional Marvel Comics comic-book character about a vampire-hunter.Blade (comics) has been turned in a series of 3 films. and all three members of ZZ Top, who had a 1980 hit with Cheap Sunglasses. Stevie Wonder, blind musician. - country music singer.

Hank Williams, Jr. Andy Warhol, artist. Thompson, journalist, deceased. Hunter S.

Toots Thielemans, Belgian jazz artist. Masayuki Suzuki, Japanese singer of Rats & Star. Howard Stern, shock jock. Paul Shaffer - bandleader.

Richard Petty, NASCAR legend. Roy Orbison, singer. Yoko Ono, Japanese artist and John Lennon's wife. Ric Ocasek - musician and producer.

Kennedy. Jacqueline Kennedy Onassis, widow of John F. Jack Nicholson, actor. Karl Lagerfeld, German fashion designer.

Lenny Kravitz, Singer/Entertainer. Umm Kalthum, Egyptian singer, now deceased. Elton John, in unusual tints. Wojciech Jaruzelski, Polish chief of state.

Michael Jackson, pop star. Heino, German singer. Liam and Noel Gallagher of Oasis. Enzo Ferrari, Italian automotive pioneer.

Jose Feliciano, blind musician. Bootsy Collins, funk musician. Ray Charles, blind musician, now deceased. Bono, singer of U2.

Richard Belzer comedian and actor. Robert Ashley, American composer. Pedro Abrunhosa, Portuguese singer. Smoked Spectacles usually refers to the darkened eyepieces worn by blind people.

Sunnies is Australian slang. Dark glasses (also preceded by 'pair of') - generic term in common usage. Also in use is the derivative abbreviation, shades. Sun-shades can also refer to the sun-shading eyepiece-type, although the term is not exclusive to these.

Sunglasses is a term in common usage in Britain and North America, and it is also used when preceded by "pair of". Sun specs (also sunspecs) is the shortened form of the above term. Spekkies is a term used predominantly in southern Australia. Sun spectacles is a term used by some opticians.