Articles tagged with Ophthalmology
Researchers created a new random-dot stereotest using a 3D display and infrared oculography to objectively assess stereopsis in children over three years old. The test's accuracy was found to be 95 percent, allowing for the study of stereovision development under natural conditions.
The Age-Related Eye Disease Study 2 investigates nutrient-based factors influencing AMD progression. Dr. Yu-Guang He hopes the study will resolve the potential benefit of supplements for AMD, which affects nearly 7 million Americans.
A study by OHSU eye doctor William Mathers found a higher risk of suffering vision loss from contact lenses compared to laser vision correction surgery. This contradicts traditional assumptions that contact lenses are safer than laser surgery, highlighting the importance of proper care and cleaning.
Researchers gathered at the ARVO/Pfizer Ophthalmics Research Institute conference to discuss the current understanding of aqueous outflow pathways. The study aims to identify key unanswered research questions and explore new ideas for controlling high eye pressure in glaucoma patients.
A recent study published in Journal of Vision found that judging facial similarity in children can accurately estimate the probability that two children are close genetic relatives. Researchers used participants' ratings to transform into estimates of genetic relatedness.
Preterm infants with smaller occipital brain volumes are more likely to experience impaired visual function in early childhood. Thirty-five percent of the study infants had abnormal oculomotor control, including impaired saccades and binocular eye alignment, at two years of age.
Researchers have developed a device that combines a tiny camera, computer, and transparent display on glasses to improve the visual abilities of people with tunnel vision. The study shows significant improvements in object detection and reduced search time for patients.
Dr. Ambati, a University of Kentucky researcher, has received the prestigious 2006 Lew R. Wasserman Award for his work on age-related macular degeneration. The award comes with a $55,000 grant to support his research and will be used to hire additional staff.
A survey by ARVO found that the major factor limiting the use of human eye tissue is a lack of availability meeting stringent criteria. Researchers are exploring ways to manage the shortage, including working closely with eye banks and clarifying experimental needs.
Lloyd P. Aiello, MD, PhD, and Ashim K. Mitra, PhD, have been selected to receive the 2007 ARVO/Pfizer Ophthalmics Translational Research Award for their outstanding achievements in ophthalmology research.
Dr. Bazan's work on lipid pathways in the retina and docosanoids has been recognized with the ARVO Proctor Medal. As Director of Louisiana State University's Neuroscience Center, he continues to advance our understanding of inflammation and apoptosis.
A new cue, dynamic half-occlusion, is used to perceive motion in depth when unmatched features are observed. The study enhances the potential for creating more effective simulation of motion in 3D displays and virtual environments.
Guyton, a renowned pediatric ophthalmologist, has been awarded the ARVO's Weisenfeld Award for his exceptional work on strabismus and amblyopia. He is also a respected educator and leader in the vision community, with numerous awards and honors to his name.
A total of 34 cases of fungal keratitis were reported among soft contact lens wearers, with all cases caused by the fungus Fusarium. The average age of patients was 34.9 years, and most used ReNu brand contact lens solution.
The Allergan Foundation has donated $2 million to support eye research, clinical care, and education at the University of California, Irvine. The donation will help develop a new facility dedicated to retinal diseases, including diabetic retinopathy and macular degeneration.
Researchers used gold beads to visualize slow phenomena in the eye, such as growth and fast eye movement. The study showed that three-quarters of the implanted beads remained stable over six months.
Researchers used a virtual 'forest' to test navigation skills, finding that good navigators rely on internal representations of the environment rather than just visual information. The study suggests that understanding how individuals use visual and non-visual cues can inform rehabilitation protocols for people with visual impairments.
Dr Jacquelyn Bond is studying the ASPM protein to understand its role in brain development and its connection to microcephaly. The research aims to uncover the pathways involved in brain development and determine how aberrations in these pathways lead to microcephaly.
The ARVO/Pfizer Ophthalmics conference aims to improve research and clinical care in areas of ophthalmology related to preventable vision loss and blindness. The meeting will explore topics such as angiogenesis, neovascularization, and vasoproliferation.
In 2005, Research to Prevent Blindness awarded over $7.9 million in grants to support eye disease research at 46 medical schools nationwide. The funding enabled significant breakthroughs in understanding and treating various eye conditions, including cataracts, glaucoma, and macular degeneration.
Researchers found that visual details are retained in working memory despite distractions, contradicting the idea of information loss. The study suggests a specialized system for processing real scenes, with implications for understanding development, aging, and attention disorders.
The Case Department of Ophthalmology at Case Western Reserve University has been awarded a $110,000 grant by the Research to Prevent Blindness (RPB) organization. The grant will support research into blinding eye diseases.
A comprehensive vision restoration-rehabilitation program facilitated access to new eyeglasses, cataract surgery, or low-vision care for 31% of eligible nursing home residents. The study found that without such assistance, only 2% of identified patients received cataract surgery.
Ophthalmic surgeon Simon Kelly disputes the claim that private cataract services have improved English cataract patients' care. He attributes the increase in surgery rates to targeted capital for NHS facilities and practice improvements within the National Health Service (NHS).
Miller's research on photodynamic therapy of neovascular age-related macular degeneration and Schuman's development of optical coherence tomography have led to significant advances in the diagnosis and management of glaucoma and retinal diseases.
A research team led by Professors Lamb and Pugh has been awarded the Proctor Medal for their comprehensive analysis of molecular events underlying photoreceptor response to light. Their work enables straightforward use of the electroretinogram in analyzing deficits in various basic and clinical situations.
Dr. Gragoudas is being recognized for his groundbreaking work on protein beam irradiation and photodynamic therapy for intraocular melanoma and neovascular age-related macular degeneration. He has made significant contributions to the clinical practice of ophthalmology, particularly in the study of retinal vascular diseases.
The July 2005 issue of Ophthalmology features groundbreaking research on glaucoma treatment and intraocular pressure management. Studies also explore the correlation between macular detachment height and visual outcome, as well as the efficacy of pars plana vitrectomy for managing inferior breaks in pseudophakic retinal detachment.
A joint study by the University of Minnesota and German institutions found that participants' perceived shape of a face influences their verbal estimates and reach movements. The 'hollow-face illusion' showed similar effects on both verbal and reaching tasks, highlighting the importance of object recognition in motor actions.
A study of 216 prematurely born children found reduced distance and near visual acuities compared to full-term children. Two percent were visually impaired, and 5.3% had low visual acuity after treatment for retinopathy of prematurity or cryotherapy.
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 study has found that older patients with type 2 diabetes often go without necessary eye care. According to the research, approximately 42% of managed care patients and 28% of fee-for-service patients require urgent treatment for treatable eye conditions within six months.
Mayo Clinic researchers found that green laser pointers can cause irreversible damage to the retina's pigment layer. Longer exposures and higher-powered lasers increase the risk of vision damage.
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.
This May 2005 Ophthalmology journal issue presents multiple research findings on various ophthalmic conditions, including temporal arteritis, isolated optic atrophy, diabetic retinopathy, and uveitis. Key studies explore the management of neurological disorders and treatment outcomes for patients with these conditions.
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.
A University of Minnesota researcher reports 14 cases of NAION linked to Viagra use. Patients had arteriosclerotic risk factors and low cup to disk ratios, increasing risk of permanent vision loss.
Researchers found that infant vernier acuity is comparable to that of adults, with infants able to see small differences in contrast almost as well. This similarity suggests that vernier testing could be a sensitive test for visual disorders and a potential substitute for eye chart testing.
A study by neuroscientists suggests that faces and words are recognized differently, with faces identified by wholes and words by parts. In experiments, observers were asked to focus on a black dot accompanied by a letter or face, finding it easier to recognize the individual elements when they were isolated from context.
A structured group session improved quality of life, mood, and function in AMD patients after six months. The program also prevented depression cases and increased participants' confidence in their physical abilities.
The January 2005 issue of the American Academy of Ophthalmology's Journal features various studies on glaucoma, including the restoration of retinal ganglion cell function in early glaucoma after intraocular pressure reduction. Other topics include LASIK surgery and its effects on myopia, as well as a study on familial aggregation of h...
The American Academy of Ophthalmology published a comprehensive collection of 60 case studies covering diverse ophthalmic topics including sebaceous carcinoma, refractive errors, glaucoma, and more. The studies provide valuable insights into the diagnosis and management of various eye conditions.
Researchers found that atropine eye drops administered two days a week are as effective as daily drops or an eye patch in treating amblyopia. This reduces hassle for young patients, enabling better vision development.
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.
A new approach to assessing glaucoma risk, inspired by the coronary heart disease model, aims to identify individuals at risk and guide treatment decisions. This initiative has the potential to shift the focus from reactive treatment to proactive prevention and earlier intervention for those at risk.
This September 2004 issue of Ophthalmology journal features groundbreaking research on predictive factors for glaucomatous visual field progression, primary open-angle glaucoma in Japan, and hypothyroidism's impact on open-angle glaucoma. The studies also explore the mechanism of ocular hypotensive action of bimatoprost and optic nerve...
A significant association has been found between hypothyroidism and an increased risk of developing glaucoma in men. Researchers analyzed data from nearly 6,000 male patients with newly diagnosed glaucoma, revealing that nearly 7% had a prior diagnosis of hypothyroidism compared to 4% of non-glaucoma patients.
The study found that nearly 60% of patients achieved 20/20 or better visual acuity after three years, while reports of symptoms decreased. The ICL was more effective than LASIK for patients with higher degrees of myopia.
The study reveals alarming rates of eye diseases among Latinos, including open-angle glaucoma, diabetic retinopathy, and cataracts. These findings underscore the importance of developing tailored prevention and treatment strategies for this underserved population.
The Los Angeles Latino Eye Study investigated the prevalence of open-angle glaucoma and ocular hypertension in Latinos. The study also explored changes in retinal nerve fiber layer thickness after acute primary angle closure. Additionally, researchers examined the impact of cataract on frequency-doubling technology perimetry results.
The American Academy of Ophthalmology published significant studies in the July 2004 issue, shedding light on innovative treatments and technologies for various eye conditions. These groundbreaking findings have the potential to transform the field of ophthalmology and improve patient outcomes.
This June 2004 Ophthalmology Journal issue presents various studies on retinal detachment, glaucoma valve implantation, and age-related maculopathy. The efficacy and safety of adjunctive Mitomycin C during Ahmed Glaucoma Valve Implantation are also examined.
A study published in Investigative Ophthalmology & Visual Science found that breathing supplemental oxygen for three months reduced fluid buildup and swelling in the macula, and improved visual acuity in some cases. The therapy was found to reduce excess thickness of the macula by an average of 43 percent.
This May 2004 Ophthalmology journal issue covers a range of topics including refractive surgery, protective eyewear in the military, and ultraviolet absorption of intraocular lenses. Key findings also include higher risk of multiple falls among elderly women with visual acuity loss and patterns of macular edema in patients with uveitis.
This April 2004 journal from the American Academy of Ophthalmology presents numerous studies on eye conditions such as Mohs surgery, glaucoma intervention, cataract surgery outcomes, and more. The research findings cover a range of topics including diabetic macular edema diagnosis, retinal detachment, and keratoconic corneas.
Research on glaucoma medication latanoprost vs. timolol shows intraocular pressure-reducing effects and safety benefits. A study on frequency-doubling perimetry also explores its feasibility in young children.
The study found that 88% of patients treated with wavefront-guided LASIK showed improved contrast sensitivity, compared to 40% for standard LASIK. This technology reduces higher-order distortions, leading to sharper vision with greater contrast sensitivity.
A new study reveals uveitis is more prevalent than previously estimated, with nearly 1,000 patients in northern California affected. The disease affects over 280,000 people in the US each year, leading to 30,000 new cases of blindness annually.
A study by the American Academy of Ophthalmology found that blacks are 1.8 times more likely to develop cataracts than whites, with a three-fold risk of cortical cataract development in black populations. The increased risk is attributed to high rates of diabetes, hypertension, and abdominal obesity in black populations.
A case-control study found associations between CSCR and various systemic conditions, including alcohol, tobacco, and antibiotic use. Eye doctors are advised to discuss these risk factors with patients and take steps to eradicate them.