Lasers are widely used in. optometry because light can reach nearly or structures within the eye almost innocuous. The first use of light in optometry can be dated back. 1946 when the German ophthalmologist. Gerd Meyer-Schwickerath. Power to coagulate tissue. Human retinal. they seal off tears. retinal light of the lamp arc xenon manufacturing in small combustion eye. This technique revolutionized the world optometry. After the first laser show on. 1,960 by Theodore Maiman, it quickly became a powerful tool in the treatment of eye changes. Technology today allows. It is possible to develop a wide range. lasers, each of their requirements and techniques. The five most common types. lasers used in optometry: YAG laser, laser excimer is, laser. femtosecond microkeratome, lasers and krypton laser argon.
YAG laser, one of the frequently found. solid state lasers are lasers used in areas such as ophthalmology. Lasers YAG wavelength is 1,054 mm and can operate in mode. is a continuous pulsed. Eye surgeries that often. YAG laser is used for cataract surgery and peripherals. iridotomy. Lasers YAG with frequency of 532mm wavelengths used. photocoagulation.
Excimer laser types may be the most widely used. lasers in optometry. instead of burning through it,. lasers excimer energy projectile put bonds between molecules of the surface tissue of the eye. These molecules break apart in the air and burning irrelevant. Excimer lasers can remove some incredible content layer without affecting the eye remaining tissue. To this type frequently used in lasers. precise surgeries.
Laser microkeratome. It is designed to be an active and ultrashort pulse. lasers femtosecond to cut instead, which can reduce the risk inherent in the method application. microkeratome. Microkeratome. Is mechanical. Shave some from the lower flap of the outer cornea to allow laser surgery.
Krypton laser a laser type of gas used. krypton ions with electronic discharges, which are used to maintain normal depreciation. macular disease that often shows up in groups of elderly people and results in loss of central field of vision due. Eye damage.
Discovered by argon laser. William R. Bennett can be emitted at different wavelengths in the ultraviolet spectrum. They commonly used in the process. phototherapy retinal. diabetics often experience. diabetic retinopathy. Lasers Argon photocoagulation panretinal used to prevent the damage to. retinopathy. they will use in the treatment of open angle glaucoma.
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What is the name of solid air?
in high school my AP chemistry teacher told me that scientists had found a way to solidify the air and do not remember the name of it. if you know please tell me
You can not have solid "air". The air is a mixture of gases as they cool, or frozen (CO2) or liquefied (O2, N2) at different temperatures. You also have the hydrogen and helium can be liquefied, except at zero all. Even if you can freeze everything, because it occurs at different temps, chemicals are presented separately and have a heterogeneous mixture, which no longer "air".
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