Bifocal reading glasses have undergone a long history since its invention which happened more than two hundred years ago. A basic point of these eyeglasses is that they can provide both presbyopia and nearsightednessfarsightedness correction. This can also be considered as the most significant improvement compared with regular reading glasses. In fact Jordan Staal Jersey , bifocal specs have been continuing its progression after making such a significant breakthrough. For certain, the basic design principle will not change as its name suggests. A pair of bifocal eyeglasses will provide those basically two forms of visual aids for ever. However, a lot of new Noah Hanifin Jersey , specific designs have been brought into existence during the past years since its origin. Currently, all lens designs of bifocals can be grouped into two mainly categories: Franklin bifocals and bifocals with reading segments in a small size.
The first category is also the original bifocal design. This initial form was developed by Benjamin Franklin by cutting two lenses in half and combining them together. So, a bifocal lens of Franklin鈥檚 style has a half portion for reading and the other half for distance vision. Using these bifocal specs Jeff Skinner Jersey , wearers can naturally look down to read materials and look up through to view objects in the distance. All things seem good and feasible. One point of this simple design is that these two focal points have been fixed into each half part. In some cases, it is inflexible for certain users to perform customized visual tasks. The current situation in the market is that bifocal reading glasses of this design can seldom be seen. There exist more flexible and helpful designs.
The second category of bifocal lens designs takes reading segment as the fundamental concept. bifocal specs within this category all take use of reading segments molded into a primary lens. These different designs differ in the shape and position of the reading segment. For instance, available shapes include half-moon or D shape Justin Faulk Jersey , round, narrow rectangle and so on. While most reading segments are situated in the lower part of the lens, there is a special design called double-D that molds two reading segments into the upper and lower sections respectively.
C: Bifocal specs have developed several different designs after more than two hundred years鈥?progression. There are mainly two categories Throwback Carolina Hurricanes Jerseys , respectively the Franklin bifocals and bifocals with small reading segments.
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The former coach of champion Hong Kong hurdler Vera Lui Lai-yiu has been arrested after he was accused of sexually assaulting the athlete when she was a teenager.
The suspect was detained two months after Lui became the first high-profile woman in socially conservative Hong Kong to speak out against abuse as part of the #MeToo movement exposing sexual misconduct.
Vera Lui Lai-yiu file photo
In an open letter posted on Facebook on her 23rd birthday in November, she accused her former coach of sexually assaulting her when she was a schoolgirl Custom Carolina Hurricanes Jerseys , prompting the city's leader Carrie Lam to ask police to investigate.
A 76-year-old man was arrested for "indecent assault" Sunday but has since been released on bail, police confirmed to AFP. Police declined to name him.
The #MeToo campaign spread rapidly in October after multiple accusations against Hollywood movie mogul Harvey Weinstein and has since shaken artistic, media and political circles globally.
Lui said she was inspired to speak out by American Olympic gold-winning gymnast McKayla Maroney Authentic Carolina Hurricanes Jerseys , one of a number of women who accused former USA Gymnastic team doctor Lawrence Nassar of abusing them.
Nassar was last week sentenced to 40 to 175 years in jail for criminal sexual conduct.
Lui had previously recalled how she thought nothing of it when the coach offered her a massage at his home to relax her muscles, but that he then removed her clothes and molested her.
She did not identify the perpetrator but the school attended by Lui at the time said they had immediately stopped working with the accused coach after she told them of her intention to publicise the incident.
In an open letter posted on Facebook on her 23rd birthday, Lui Lai-yiu did not name the man who abused her as a young teenager Carolina Hurricanes Jerseys For Sale , calling him "coach Y". (Photo: AFP)
Lui - who took the gold medal in the 60-metre women's hurdles at the Asian Indoor Games in September - said she decided to speak out a decade later in hopes of breaking the taboo around the subject in Chinese culture and encouraging other victims of sexual abuse to seek help.
Agencies
Newbie pass-rusher Von Miller is actually itching to provide a assisting palm towards the Denver Broncos鈥?playoff drive even though which means playing with a troublesome throw safeguarding his surgically fixed right thumb.
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