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The Laser Radial is a variant of the Laser Standard, with shorter mast and reduced sail area, allowing light sailors to sail in heavy winds. It raced by women, U18 men and by male masters. It raced by women, U18 men and by male masters.
The Radial uses the same hull and fittings as the Laser Standard, but has a smaller sail (5.8 m 2) than the Standard with a different cut, and has a shorter lower mast section. Optimal weight for this rig is 121 to 159 pounds (55 to 72 kg). The Laser Radial rig has a UK Portsmouth Yardstick number of 1150. [9] Its DPN is 96.7. [10]
The 4.7 uses the same hull and top mast section as the Laser, but has a different, shorter bottom mast section as well as a smaller sail. The bottom mast section is pre-bent which effectively reduces the power of the rig, and the sail is only 4.7 square meters, as opposed to 7 for the Laser Standard or 5.7 for the Laser Radial. (ILCA 6) The ...
LASIK or Lasik (/ ˈ l eɪ s ɪ k /; "laser-assisted in situ keratomileusis"), commonly referred to as laser eye surgery or laser vision correction, is a type of refractive surgery for the correction of myopia, hyperopia, and astigmatism. [1]
The mast is a sealed section with a halyard running inside the track to help prevent inversion on capsize. The mast has single spreaders and lower shrouds to allow adjustment for different helms and conditions. The forestay is adjustable to allow depowering in conjunction with a cascade style kicker.
Refractive surgery is an optional eye surgery used to improve the refractive state of the eye and decrease or eliminate dependency on glasses or contact lenses.This can include various methods of surgical remodeling of the cornea (keratomileusis), lens implantation or lens replacement.
Glaucoma is a group of diseases affecting the optic nerve that results in vision loss and is frequently characterized by raised intraocular pressure (IOP). There are many glaucoma surgeries, and variations or combinations of those surgeries, that facilitate the escape of excess aqueous humor from the eye to lower intraocular pressure, and a few that lower IOP by decreasing the production of ...
Scanning laser ophthalmoscopy developed as a method to view a distinct layer of the living eye at the microscopic level. The use of confocal methods to diminish extra light by focusing detected light through a small pinhole made possible the imaging of individual layers of the retina with greater distinction than ever before. [4]
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