BEIJING, Sept. 14 (Xinhua) -- China's National Marine Environmental Forecasting Center (NMEFC) on Wednesday upgraded its warning for ocean waves
triggered by Typhoon Meranti to "red," the highest of a four-color warning
system.
Gales and monster waves up to 12-meters high have been observed off the eastern coast of Taiwan, as this year's 14th typhoon is moving westward, and
surges are expected off the coast of Fujian, Zhejiang and Guangdong provinces on
Wednesday and Thursday.
The typhoon is expected to make landfall in Fujian and Guangdong on Thursday and the State Oceanic Administration has initiated a class-II emergency
response, the second highest level.
The NMEFC ordered ships to return to harbor and residents to stay indoors. It also advised that dams be reinforced.
China's four-tier warning system for severe weather features red as the most serious, followed by orange, yellow and blue.
LISBON Nike Shox Gravity Pas Cher , Jan. 3 (Xinhua) -- Following are the Portuguese soccer league results on Saturday:
Pagos de Ferreira 1 (Lopes 79) Rio Ave 2 (Hassan 44, Moreira 50)
Marmtimo Funchal 2 (Maazou 42, Bruno Gallo 53) Sporting Braga 1 (Danilo 5)
Sporting Lisbon 3 (A. Silva 20, 85-pen Nike Shox Rivalry Femme Pas Cher , Slimani 57) Estoril 0
Gil Vicente 1 (Goncalves 76) FC Porto 5 (Casimiro 36, Martins Indi 55, Brahimi 70, Torres Munoz 79 Nike Shox Rivalry Homme Pas Cher , J. Martinez 87)
Progressive glasses frames Published: 06.04.2010 | Author: udtekadapter | Category: Health And Fitness
Progressive eyeglasses differ from traditional reading glasses, bifocals or trifocals in lens design. While those three types provide one to three lens
powers in a single lens, progressive spectacles incorporate a set of different
powers in their lenses. The majority of presbyopic patients may have known this
functional difference between other forms of multifocal reading glasses and
progressive glasses. However, there may be fewer people know that progressive
glasses frames can also differ from the frames of other reading glasses. This
saying is well founded. In fact Nike Shox Rivalry Pas Cher , even progressive glasses users want to wear attractive frames with fashionable styles. And progressive eyeglass frames manufacturers
should consider all traditional factors that are involved in regular types of
glasses.
Frame size is the most critical factor that may differentiate progressive glasses from other forms of reading glasses. First let?? discuss the frame size
of regular reading glasses, bifocal and trifocals. Traditional reading glasses
all take use of single vision lenses, so that lens design will not impose extra
requirement on frame size. When it comes to bifocal lenses or trifocal lenses,
there is more than one power in a single lens. Some people may get worried that
the frame should be large enough to host large lenses which will provide enough
visual field at each part. In fact Nike Shox TLX Femme Pas Cher , two or three focal points can be easily arranged in a small frame, with modern lens technologies.
The task is slightly harder when opticians try to insert progressive lenses into a small frame. The reason is that a progressive lens comes with a gradient
of increasing powers. If the frame is too small, the reading portion of the lens
may become particularly narrow and cause uncomfortable reading experience. This
is because progressive lenses should be cut to a size that is compatible with
the small frame. Without the availability of ??hort corridor??progressive
lenses, progressive glasses frames have to be relative large if the wearer
expects normal reading aid. However Nike Shox Avenue Femme Pas Cher , modern lens technologies have made it possible to take use of ??hort corridor??progressive lenses and specialty lenses
with customized reading or intermediate portion.
C: Progressive glasses frames were at a time larger than bifocal frames or trifocal frames. The development of ??hort corridor??progressive lenses and
customized lenses makes presbyopic individuals to enjoy those small frames.
Default Author Bio:
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