It is found that common eyeglasses are useless in treating some serious or particular eye problems. And bifocal glasses have become some of the most beloved for people to solve those problems. Yet, not all people know the fact that bifocals glasses are much expensive than ordinary glasses. However, due to their peculiarity and efficiency in solving problems, bifocal glasses are still very popular among people with presbyopia and other problems. Here are some reasons for their costliness.
From the perspective of manufacturing process, bifocal glasses should be much expensive than ordinary glasses. One of the most important reasons is more efforts will be taken to manufacture bifocal glasses- much harder to prescribe them. Still, opticians are required highly of on how to read bifocal eyeglasses prescription in a more accurate way. If any discrepancy, the glasses can not be used.
From the angle of structure, bifocal eyeglasses are multi-focal glasses. Those glasses have two focuses and there are two parts on each lens, namely, the top part and the lower part. And each of them is responsible for a certain vision area. Just because of this, bifocal eyeglasses are much complicated than ordinary glasses. One may have a vivid idea through some sketch pictures that can well explain how bifocal eyeglasses work. People may find that there is a division line between the two parts, which appears to be an arch. And the position of the arch is really hard to fix for opticians.
The materials used to make bifocal glasses are much expensive than ordinary glasses. For example, bifocal glasses for children should be made up of some particular materials that can help avoid many risks when children wear; bifocal glasses for golf require much higher on the materials that will not only block harmful rays
Ray Bays Replica Emporio Armani Sunglasses - A Pre, like UV rays in the light, but also make sure that sportsmen can see much clearly of the balls by filtering out some disturbing light and highlighting some certain lights. Those materials are much advanced and in need of much higher technology and techniques.
Here is an example on how bifocal glasses cost. Comparatively speaking, if a pair of common glasses is averaged $200 in real optical stores, a pair of bifocal glasses will cost $300 on average there. Of course, there are some stores for cheap bifocal glasses, but bifocal glasses are always much expensive than ordinary ones.
The Jackson 5 signed a new contract with CBS Records in June 1975, joining the Philadelphia International Records division
######## Oakley, later Epic Records, and renaming themselves The Jacksons. They continued to tour internationally, releasing six more albums between 1976 and 1984, during which Jackson was the lead songwriter, writing hits such as "Shake Your Body (Down to the Ground)", "This Place Hotel," and "Can You Feel It".
In 1978, he starred as the scarecrow in the musical, The Wiz, and it was here that he teamed up with Quincy Jones, who was arranging the film's musical score. Jones agreed to produce Jackson's next solo album, Off the Wall. In 1979, Jackson broke his nose during a complex dance routine. His subsequent rhinoplasty was not a complete success; he complained of breathing difficulties that would affect his career. He was referred to Dr. Steven Hoefflin, who performed Jackson's second rhinoplasty and subsequent operationsJones and Jackson produced Off the Wall together. Songwriters included Jackson, Heatwave's Rod Temperton, Stevie Wonder, and Paul McCartney. Released in 1979, it was the first album to generate four U.S. top 10 hits, including the chart-topping singles "Don't Stop 'Til You Get Enough" and "Rock with You It reached number three on the Billboard 200 and eventually sold over 20 million copies worldwide In 1980, Jackson won three awards at the American Music Awards for his solo efforts: Favorite Soul/R&B Album, Favorite Male Soul/R&B Artist, and Favorite Soul/R&B Single for "Don't Stop 'Til You Get Enough". That year, he also won Billboard Music Awards for Top Black Artist and Top Black Album and a Grammy Award for Best Male R&B Vocal Performance, also for "Don't Stop 'Til You Get Enough". Despite its commercial success, Jackson felt Off the Wall should have made a much bigger impact, and was determined to exceed expectations with his next release. In 1980, he secured the highest royalty rate in the music industry: 37 percent of wholesale album profit.
Starting in 1972, Jackson released a total of four solo studio albums with Motown, among them Got to Be There and Ben, released as part of the Jackson 5 franchise, and producing successful singles such as "Got to Be There", "Ben", and a remake of Bobby Day's "Rockin' Robin". The group's sales began declining in 1973, and the band members chafed under Motown's strict refusal to allow them creative control or input. Although they scored several top 40 hits, including the top 5 disco single "Dancing Machine" and the top 20 hit "I Am Love", the Jackson 5 left Motown in 1975.