High Quality Content by WIKIPEDIA articles YAG (Yard Auxiliary, General) training vessels are wooden boats built between 1954 and 1958, and based at CFB Esquimalt in Esquimalt, British Columbia, Canada. The vessels are used for training Canadian Forces regular naval officers, naval reservists, and members of the Royal Canadian Sea Cadets in basic seamanship, vessel handling, and navigation. According to the Department of National Defence, in 2000, a total of 1830 personnel were deployed on the YAGs for a total of 585 days and steamed over 25,000 nautical miles (46,000 km) in support of training. YAGs displace 70 tonnes, and are divided into five major belowdecks compartments: right forward, a chain locker, then the forward cabin, containing the galley, one of the heads (washrooms) and the officers eating and sleeping areas, as well as the gyroscopic (gyro) compass. Author: Surhone, Lambert M./ Timpledon, Miriam T./ Marseken, Susan F. Binding Type: Paperback Number of Pages: 80 Publication Date: 2010/07/05 Language: English Dimensions: 5.98 x 9.01 x 0.19 inches
Laser bonding is a marking technique that uses lasers and other forms of radiant energy to bond an additive marking substance to a wide range of substrates. Invented in 1997, this patent protected technology delivers permanent marks on metals, glass and ceramic parts for a diverse range of industrial and manual applications, ranging from aerospace to the awards engraving industries. It differs from the more widely known techniques of laser engraving and laser ablation in that it is an additive process, adding material to the substrate to form the marking instead of removing it as in those techniques. For metals, parts can be permanently marked with high contrast, high resolution marks for logos, barcoding, identification and serialization purposes, without damage to the substrate. With glass and ceramics, complex surfaces can be decorated or marked and the traditional firing process replaced by a laser, with its permanent bond fired on in seconds. Laser bonding has been achieved by Nd:YAG, CO2 laser, Fiber laser and Diodepumped solidstate laser and can be made by other forms of radiant energy. Laser bonding is often referred to as CerMark, CerMarked, or CerMarking Author: Miller, Frederic P./ Vandome, Agnes F./ McBrewster, John Binding Type: Paperback Number of Pages: 92 Publication Date: 2010/04/23 Language: English Dimensions: 9.02 x 5.98 x 0.22 inches
Fiber Optic Duplex Cable Laser-optimized 50 micron "Aqua fiber" for LED/VCSEL laser light sources and 10-Gigabit applications! Get blazing-fast 10-Gigabit performance with laser-optimized 50/125 multimode fiber patch cords from Cables To Go. Laser-optimized multimode fiber (LOMMF) cables provide backward compatibility with existing 50/125 equipment while providing the performance headroom required to support laser light sources and 10-Gigabit applications. Main FeaturesManufacturer: Cables To GoManufacturer Part Number: 33058Manufacturer Website Address: www.cablestogo.comProduct Type: Patch Cable Multimode ExternalCable Length: 6.56ftNumber of Connectors: 4Connector Details: 2 x SC Male, 2 x SC MaleColor: AquaWeight: 0.3 lb Standard Warranty: Lifetime
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Manufacturer's productspecifications:- All-direction, all-angleprofessional safety protection eyeglasses- Filters harmful light waves between 150~540nm- Designed protect eyesfrom high powered green lasers- Protected laser types: YAG- Other light penetration rate: >85%- Laser filter capability: YAG laser power reduction of 10000+ times
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Ectopic pupil repair by Steven G. Safran MD
Glaucoma Laser Treatments
According to the World Health Organization, glaucoma is the second biggest leading cause of blindness in the world. However, because the symptoms of glaucoma are often quite subtle, the disease often goes unnoticed. Out of the estimated 4 million Americans who suffer from glaucoma, half of them do not know they have it. It's an unnerving statistic, especially when you consider that, currently, there is no definitive cure for glaucoma. Fortunately there are some treatments that can help keep glaucoma under control and alleviate some of its symptoms. A Definition Glaucoma is an eye disease involving damage to the optic nerve, usually (though not always) caused by increased fluid pressure in the eye. Glaucoma leads to the loss of retinal ganglion cells, a loss which occurs in characteristic patterns that help distinguish the various sub-types of glaucoma. Glaucoma can cause nerve damage and, if left untreated, can lead to permanent damage to the optic nerve, loss of the visual field, and eventually blindness. Laser Treatment Various types of laser procedures may be used to treat patients affected with glaucoma, depending on the type of symptoms and damages caused by the disease. Peripheral iridotomy (LPI), for example, is one of the more common laser eye procedures used to treat glaucoma patients that are affected by angle closure glaucoma. During laser iriodotomy, what is known as a YAG laser is used to make an opening in the iris to relieve pressure and decrease irregular bulging of the iris. A laser photocoagulation treatment may also be employed. Photocoagulation involves the cauterization of ocular blood vessels using laser energy. Another common procedure used in the treatment of glaucoma is known as laser trabeculoplasty, and it involves aiming an argon laser at the eye's trabecular meshwork with the intention of simulating the opening of the mesh in order to allow for the release of more aqueous fluid from the eye. Newer trabeculoplasy procedures employ the more selective YAG laser or a combo laser. Additional Facts You could be at risk of glaucoma regardless of age or family history. Statistically, young African Americans are more susceptible to glaucoma. There are sometimes no symptoms for glaucoma, and in fact open angle glaucoma, which is the most common form of the disease, has virtually no noticeable symptoms. Despite the fairly comprehensive number of laser treatments available for glaucoma patients, there is currently no permanent cure, and damages caused by glaucoma are permanent, which is why regular eye check-ups and early diagnosis are so important. About the Author
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