Articles tagged with Laser Surgery
A new formula developed by doctors at the University of Rochester Medical Center reduces farsightedness among LASIK patients, making it more likely to get vision right the first time. The formula takes into account various imperfections in the eye that were not previously known to exist.
The study found no differences in visual acuity, contrast sensitivity, or perception of stray light between the two types of LASIK. Bladeless LASIK showed greater corneal backscatter initially, but patients perceived no difference in vision after three months.
In a largest study of its type, researchers treated 2,506 liver tumors and found that MR-guided laser-induced thermotherapy (LITT) improves average survival rate from diagnosis by 3.8 years, outperforming traditional surgery. Laser treatment offers several advantages, including outpatient basis under local anesthesia.
Brown University researchers have created a directly pumped silicon laser by altering its atomic structure using nanoscale drilling. The achievement opens up new possibilities for the electronics and communications industries, enabling faster and more powerful computers or fiber optic networks.
Using RoboLase, Australian scientists successfully performed sub-cellular surgery on a laser microscope system in California, demonstrating the potential for remote medical procedures. The technology enabled researchers to collaborate without traveling to a single laboratory site, paving the way for increased global scientific collabor...
The American Academy of Ophthalmology released its June 2005 journal, featuring studies and research on various aspects of ophthalmology. The journal is the world's largest association of eye physicians and surgeons with over 27,000 members.
A new technique using a femtosecond-pulsed laser can create highly precise incisions, leading to faster healing and stronger transplants. Clinical trials are expected to begin this summer, offering hope for patients with corneal disorders.
New LASIK research suggests that the choice of laser or blade for corneal flap creation significantly impacts visual outcomes. Using the IntraLase laser results in higher rates of achieving 20/20 vision and better-than-20/20 vision, even up to 20/12.5. Custom treatments also show improved results with the IntraLase laser.
The American Society of Plastic Surgeons reported a strong increase in cosmetic surgery procedures in 2004, with over 1.7 million surgical and minimally-invasive procedures performed. The demand for injectables like Botox and hyaluronic acid fillers drove growth in minimally-invasive procedures.
The customized ablation technique has revolutionized eye surgery, allowing patients to enjoy enhanced vision with reduced side effects. Increasing the treatment zone size and precise laser positioning have significantly improved results.
Scientists at Vanderbilt University have discovered that low-intensity infrared laser light can spark specific nerves to life, exciting a leg or even individual toes without touching the nerve cells. The technique offers greater precision and accuracy than conventional electrical stimulation.
Barbed sutures enable minimally invasive facial rejuvenation with limited downtime, while ultrasonic body contouring provides liposuction-like results without pain or recovery time. Wrinkle fillers like Restylane and Sculptra are expected to skyrocket in demand due to their effectiveness.
The study found that central corneal thickness significantly impacts clinical management decisions for patients with glaucoma. Adjustments in therapy, including eye drops, laser therapy, and surgery, were made based on CCT measurements, affecting approximately 8-10% of patients.
Recent advancements in microchip lasers and optics have improved LADAR systems' speed of data acquisition, range accuracy, and reliability. LADARs are now used to generate topographic images, survey large bodies of water, and document construction sites.
A new UNC study identifies specific eye features that can predict when premature infants are at risk of developing retinal detachment and total blindness. The study found that certain blood vessel growth patterns and vitreous cloudiness may indicate the need for surgical intervention to prevent progressive stage 4 ROP.
A recent study found that environmental factors such as temperature and humidity can significantly impact LASIK surgery results. The study of 191 patients revealed that indoor humidity had the largest impact on whether enhancement surgery was required, while outdoor temperature and humidity in the weeks before surgery also played a role.
The American Academy of Ophthalmology released its February 2004 journal, showcasing groundbreaking research in the field. The publication highlights significant breakthroughs in ophthalmic care and treatment options.
REAl Glass has unique qualities useful for creating materials for demanding optical applications. The glass is made from Rare Earth oxides, Aluminum oxide and small amounts of silicon dioxide. It can be used to create efficient power lasers and expand coverage to new wavelengths, making it a promising material for surgical lasers.
This edition of the Ophthalmology journal presents significant research findings on PRK after 12 years, multifocal intraocular lenses, and posterior capsule opacification. The studies also investigate photorefractive keratectomy outcomes, LASIK lens power calculation methods, and new treatments for glaucoma and retinal diseases.
A study by Dr. Scott MacRae found that larger pupils are more likely to experience problems with laser vision correction surgery, emphasizing the need for surgeons to consider a wider treatment zone and caution when treating patients with dilated pupils.
A new LASIK procedure uses femtosecond lasers to create precise, high-precision cuts in the human cornea, reducing complications and improving reliability. The technology has been safely used in over 30,000 procedures, offering a bladeless alternative to traditional microkeratome-based methods.
Several studies present encouraging results for wavefront-guided LASIK, leading to sharper vision and fewer nighttime difficulties. The technology tailors laser beam settings to individual patients' visual imperfections, enhancing sharpness and patient satisfaction.
Researchers found that 84% of patients experienced improved airways and symptoms after the laser procedure, which lasted 6-8 minutes. The cartilage recovered its shape over several weeks, providing an alternative to traditional surgery for reducing morbidity and economic impact.
Researchers are using adaptive optics to study microscopic structures in human eyes, improving diagnosis of retinal diseases like macular degeneration and glaucoma. AO-based devices also enable precise measurement of optical aberrations, leading to customized contact lenses and guided laser surgery.
The FEL center is exploring applications in laser surgery, producing monochromatic X-rays for sharper images, and characterizing proteins through heat-induced release from gels. Researchers have successfully performed human surgeries using the FEL beam.
A long-term study on transmyocardial revascularization (TMR) using a carbon dioxide Heart Laser demonstrates significant pain relief for five years. TMR has been shown to improve the quality of life for severe angina patients with no other treatment options.
Researchers have found that transmyocardial revascularization (TMR) laser surgery can provide long-term relief from angina by creating channels for blood flow through the heart. The procedure has been shown to reduce chest pain in 60% of patients for at least five years, with some experiencing relief for up to eight years after treatment.
A new laser treatment being tested at Rush University Medical Center has shown promise in eliminating the need for surgery in women with small breast cancers. The procedure uses a laser delivered through a needle to destroy tumors detected by mammography, resulting in no complications and minimal pain.
Researchers have developed a new technique for detecting atypical cells in breast ducts, which could identify pre-cancerous abnormalities years before mammographically detectable lesions develop. A device that retrieves ductal cells has shown promising results in clinical trials, identifying abnormal cells in 15% of the population.
A biological microcavity laser, called a smart scalpel, can quickly identify abnormal protein content in tumor cells. This allows surgeons to accurately cut away malignant growths while minimizing healthy tissue removal.
A new proximity sensor developed at Pacific Northwest National Laboratory could significantly reduce risks in eye surgery by detecting the location of critical retinal tissues. The sensor alerts surgeons when the endoscope's needle approaches the retina, alleviating concerns and improving precision and safety.
Researchers found that transmyocardial laser revascularization (TMR) improves angina by at least 2 classes in 72% of patients, while also increasing myocardial perfusion by 20%. TMR safely and effectively improved heart function over a 12-month period, driving its use with difficult bypass and angioplasty procedures.
IntraLase Corporation will develop ultrafast ophthalmic lasers for refractive and other surgical procedures, enhancing eye care with precise technology. The company combines U-M intellectual property with Escalon Medical's patents to bring innovative laser solutions to the medical field.
A new laser-based procedure called transmyocardial revascularization (TMR) has been shown to improve symptoms of severe chest pain in patients with heart disease. After three months, 86% of TMR patients experienced improvement, while only 12% of those treated with medication alone saw results.
Duke University Medical Center is testing a new laser system to pierce blood-carrying channels in ailing heart muscle, showing promising results for eight treated patients. The procedure, known as transmyocardial revascularization (TMR), creates new passageways that increase oxygenation and functional heart muscle.
A new laser therapy, transmyocardial revascularization (TMR), has been found to be effective in reducing chest pain in patients with coronary artery disease. The procedure creates new blood-carrying channels in the heart muscle, improving oxygen supply and reducing symptoms.
Researchers at the University of Rochester have developed a new surgical semiconductor laser that can produce a unified beam with high power and precision. The laser's design makes it possible to achieve power levels of 6-12 watts, twice as much as current devices.