The initial use of lasers in the every day existence of the general population was the store barcode scanner. It was pioneered in 1974. The laserdisc player was introduced in 1978. It was the first successful consumer merchandise to involve a laser, despite the fact the compact disc player was the first laser-equipped piece of equipment to grow to be truly common in consumers’ homes since 1982, followed shortly by laser printers. When lasers were concocted in 1960, they were called “a solution looking for a problem”. Since then, they have become present everywhere, finding purpose in thousands of highly varied functions in a lot of aspects of modern society, including consumer electronics, information technology, science, industry, law enforcement, entertainment, military and medicine.
Laser is an apparatus that liberates light known as electromagnetic radiation through a process called stimulated emission. Laser light is usually spatially uniform, which means that the light either is emitted in a fine, low-divergence beam, or can be transformed into one with the help of optical apparatus such as lenses. Overall, even light typically suggests the source gives off light waves that are in step. They have the alike frequencies and matching phase. The coherence of normal laser emission is a typical quality of lasers. Most other light sources give off incoherent light, which has a point that varies erratically with time and position. Normally, lasers are thought of as releasing light with a narrow wavelength spectrum or monochromatic light. This is not accurate of all lasers, nevertheless, some release light with a broad spectrum, while others give off light at several distinct wavelengths all together.
Laser in situ keratomileusis, LASIK, well known name in refractive surgery, offers laser vision correction through the utilization of a laser by restructuring the cornea and altering its focusing power. Since 1993, LASIK has been done in the U.S. on millions of patients with the aid of a wide array of lasers. This process can be used to correct myopia or nearsightedness, hyperopia or farsightedness, and astigmatism or misshapen cornea. There are at present more than a few distinctive lasers that have received FDA consent for LASIK Eye Surgery. There are various lasers for use in myopic and hyperopic patients, but most allow for correction of astigmatism.
One of the extreme enemies of our eyes is the sun. Analogous to the skin, eyes are injured by UV rays coming from the sun, whether it is a cloudy or a clear and blue skies. Sunglasses should at all times be worn in daylight hours when you are outside and you need to be assured that the sunglasses you pick offer ultra-violet ray protection. There are various sunglasses sold which are just tinted glass and do not really care for your eyes, they simply offer shade from the brightness. Take care of your eyes, we only got a pair. For LASIK Eye Surgery Melbourne, visit the Vision Laser clinics, Laser Eye Surgery specialists.
Friday, November 6, 2009
Wednesday, November 4, 2009
A Brief Overview Of LASIK Eye Surgery
LASIK is a form of surgery carried out fundamentally on the corneal (the translucent external layer of the eyeball) part of the eye. Long before LASIK (Laser-Assisted in Situ Keratomileusis) surgery was recognized, many types of eye surgery are being discovered and experimented by surgeons to remedy certain eye defects and problems. The process of LASIK was discovered way back in the 1950’s by a Columbia-based Spanish Ophthalmologist. The incessant studies, research and experiment regarding this procedure has brought transformation and a huge step ahead for the advancement of wisdom and discovery of other methods like RK (radial keratotomy), wavefront-guided PRK and the recent intraocular lenses. This technology is also now applied in Astigmatism Surgery.
Here’s an overview of Laser Surgery for better awareness: LASIK (Corneal surgery), is an irreversible eye operation that is chiefly carried out to correct Myopia (near sightedness), Hyperopia (far sightedness) and Astigmatism (abnormal curvature of the eye lens). It is performed by an Ophthalmologist after a number of tests in able to determine if the client is a candidate for the surgery. For many patients, LASIK is a good alternative to avoid the use of contact lenses and/or eyeglasses since all of them are for the purpose of correcting eye problem.
The total procedure will only take 10 to 15 minutes each eye and only needed a mild sedative and anesthesia and is categorize as an out-patient surgery. But just like any other procedure, an informed consent is entailed since, although LASIK is an OPD type operation, it is still an abrasive procedure and may cause complications to the patient. Diagnostic investigations are necessary. Prime reason for it is of course you don’t want to have your cornea being flapped and suctioned for no reason at all and secondly, for your Ophthalmologist to know what accurately needs to be done, what are the possible complications that might transpire and be prepared ahead of time.
Beforehand, several plans and orientation are done. The operation proper is divided into 3 main procedures. First is the making construction of a flap in the corneal tissue. The second is the laser remodeling. With the use of Excimer laser, the corneal stroma will be remodeled based on how much stroma will be detach based on the diagnosis. Thirdly and lastly, the repositioning of the flap. In this step, the surgeon will return the flap to its place but first the presence of debris and bubbles are ensure before it is placed back. No stitches are required. The “initial success” postoperative process will be laid to the patient’s sleep pattern (in order to permit the effortless adhesion and curing process of the eye), some anti-infectives and anti-inflammatory eye medications.
In spite of the minimal aberration the LASIK surgery cause, there are still provisions that needs to be done by the patient to minimize or even prevent further complication. Some of these are: regularly and prolonged sleep hours, use of eye shield or patch to prevent the unintentional rubbing of the operated eye, refrain from stooping and bending to avert the escalation of eye pressure, apt and strict obedience with prescribed medication and of course follow-up health check. Visit Vision Laser Clinics for Laser Surgery.
Here’s an overview of Laser Surgery for better awareness: LASIK (Corneal surgery), is an irreversible eye operation that is chiefly carried out to correct Myopia (near sightedness), Hyperopia (far sightedness) and Astigmatism (abnormal curvature of the eye lens). It is performed by an Ophthalmologist after a number of tests in able to determine if the client is a candidate for the surgery. For many patients, LASIK is a good alternative to avoid the use of contact lenses and/or eyeglasses since all of them are for the purpose of correcting eye problem.
The total procedure will only take 10 to 15 minutes each eye and only needed a mild sedative and anesthesia and is categorize as an out-patient surgery. But just like any other procedure, an informed consent is entailed since, although LASIK is an OPD type operation, it is still an abrasive procedure and may cause complications to the patient. Diagnostic investigations are necessary. Prime reason for it is of course you don’t want to have your cornea being flapped and suctioned for no reason at all and secondly, for your Ophthalmologist to know what accurately needs to be done, what are the possible complications that might transpire and be prepared ahead of time.
Beforehand, several plans and orientation are done. The operation proper is divided into 3 main procedures. First is the making construction of a flap in the corneal tissue. The second is the laser remodeling. With the use of Excimer laser, the corneal stroma will be remodeled based on how much stroma will be detach based on the diagnosis. Thirdly and lastly, the repositioning of the flap. In this step, the surgeon will return the flap to its place but first the presence of debris and bubbles are ensure before it is placed back. No stitches are required. The “initial success” postoperative process will be laid to the patient’s sleep pattern (in order to permit the effortless adhesion and curing process of the eye), some anti-infectives and anti-inflammatory eye medications.
In spite of the minimal aberration the LASIK surgery cause, there are still provisions that needs to be done by the patient to minimize or even prevent further complication. Some of these are: regularly and prolonged sleep hours, use of eye shield or patch to prevent the unintentional rubbing of the operated eye, refrain from stooping and bending to avert the escalation of eye pressure, apt and strict obedience with prescribed medication and of course follow-up health check. Visit Vision Laser Clinics for Laser Surgery.
Subscribe to:
Comments (Atom)