Contact Lenses
Articles tagged with Contact Lenses
Encoding of blink information via wireless contact lens for eye-machine interaction
A flexible electronic solution has been developed to detect corneal deformation and eyelid pressure, enabling precise control of drones through blinking. The system achieves high accuracy in distinguishing conscious from unconscious blinks, with potential applications in medical monitoring and human-machine control.
Eye wear breakthrough: MXene-coated lenses for safer and smarter wearables
Researchers developed stable MXene-coated contact lenses providing enhanced protection against electromagnetic radiation. The lenses exhibited a rapid temperature rise when exposed to microwave heating, indicating strong EMR absorption and dissipation.
Eyes on the future: Microfluidic lenses monitor health and deliver medication
These next-generation contact lenses analyze tear fluid, track intraocular pressure, and release medications without requiring external power or invasive procedures. They offer a promising solution for continuous, noninvasive health monitoring and have the potential to transform ophthalmic care.
Infrared contact lenses allow people to see in the dark, even with their eyes closed
Researchers have created contact lenses that convert infrared light into visible light, allowing users to perceive multiple infrared wavelengths. In experiments, mice and human participants showed enhanced infrared vision when their eyes were closed, with improved color perception for color blind individuals.
Aston University-led research calls for more advice for young adults amid rise in dry eye disease
Researchers found that 90% of participants had at least one sign of dry eye disease, with significant progression after one year. The study highlights the need for early detection and advice on managing the condition through simple methods such as taking screen breaks and maintaining a healthy lifestyle.
University of Houston study shows effectiveness of method to stem nearsightedness
A University of Houston study found that wearing multifocal contact lenses for myopia control has a lasting effect, slowing eye growth and progression. The study, which followed children from ages 7 to 11 for three years, showed that the treatment benefit remained even after discontinuing treatment.
The staying power of bifocal contact lens benefits in young kids
A new study found that young nearsighted kids who wear bifocal contact lenses do not lose the benefits of treatment once they stop wearing them, with myopia progression continuing at age-expected rates. The study suggests a lower cost and more options for patients with healthier eyes.
Hide your myopia away: John Lennon, contact lenses and cannabis
QUT optometry researcher Professor Stephen Vincent analyzed John Lennon's contact lens use and found that cannabis-induced ptosis reduced lens ejection. Modern contact lenses have improved significantly since then.
Taking electroretinography to the next level with a soft multi-electrode system
A new soft multi-electrode system for electroretinography has been developed to overcome the limitations of traditional devices. The system uses a commercially available soft disposable contact lens with gold mesh electrodes, allowing for simultaneous measurement of electrical potentials from different regions of the retina. This innov...
‘Smart’ contact lenses could someday enable wireless glaucoma detection
Researchers have developed a prototype 'smart' contact lens that measures eye pressure accurately, regardless of temperature. The dual-circuit design removes temperature-related errors, enabling early detection and monitoring of glaucoma.
Treatment for blindness-causing retinal detachment using viscous seaweed
A team of scientists from Pohang University of Science & Technology developed an artificial vitreous body based on alginate to treat retinal detachment. The hydrogel maintains vision post-surgery and regulates fluid dynamics within the eye, preventing recurrence and air bubble formation.
Healing eyes with contact lenses
Researchers at the University of Waterloo have developed a patented contact lens material that acts as a bandage for corneal wounds, releasing drugs in a controlled manner to enhance healing. The material, which uses collagen-based technology, achieves complete wound healing within five days in human cell culture studies.
$6.7M in federal grants awarded to develop tech to monitor, treat chronic eye diseases
Researchers at Purdue University are developing patent-pending smart soft contact lenses that can continuously monitor or treat chronic ocular diseases like glaucoma, corneal neovascularization and dry eye syndromes. The $6.7 million funding from the National Eye Institute will be used to refine the lenses and conduct clinical trials.
XPANCEO and Nobel laureate unveil the new properties discovery in graphene-like materials, transforming healthcare, AI and AR
Researchers at XPANCEO and Nobel laureate Konstantin S. Novoselov unveil new properties of rhenium diselenide and rhenium disulfide, enabling novel light-matter interaction. This breakthrough has huge potential for integrated photonics, healthcare and AR applications.
Organic compound found in trees could prevent contact lens eye infections
A new study suggests hydroquinine, a naturally occurring compound found in tree bark, can effectively disinfect contact lenses and combat keratitis infections. The compound killed 99.9% of bacteria at the time of disinfection, making it a potential alternative to existing disinfecting solutions.
Contact lenses to diagnose glaucoma
A new type of contact lens has been developed to diagnose glaucoma by monitoring eye pressure, providing a more accurate diagnosis and easier treatment. The lenses contain micro-sensors that track changes in intraocular pressure over several hours, sending the data wirelessly for analysis by an ophthalmologist.
Contact lenses developed by Khalifa University team respond to UV and temperature changes
Researchers at Khalifa University have developed state-of-the-art contact lenses that respond to both UV light and temperature changes. These smart lenses, incorporating photochromic and thermochromic powders, can block up to 45% of UV radiation and filter out blue light.
Effective treatment for rare sight-threatening infection
A new international clinical trial found that a drug candidate is highly effective in treating Acanthamoeba keratitis with medical cure rates of 87%, reducing the risk of poor visual outcomes and surgery. The treatment, low concentration polihexanide (PHMB 0.08%), follows a novel and evidence-based protocol.
NTU Singapore scientists invent micrometres-thin battery charged by saline solution that could power smart contact lenses
Scientists at NTU Singapore have developed a flexible, human cornea-thin battery that can store electricity from saline solution. The battery could power smart contact lenses with displays and augmented reality capabilities.
Contact lenses shed microplastics
Researchers developed an automated method to detect and count microplastics in contact lenses, finding that lenses with shorter lifetimes shed more microplastics when exposed to sunlight. The study estimates that over 90,000 microplastic particles per year could be shed from some lenses if worn for 10 hours a day.
3D printing breakthroughs to accelerate ocular drug delivery, biodegradable contact lenses & pharma research
Scientists from Centre for Ocular Research & Education (CORE) unveiled multiple advancements in 3D printing, accelerating development of drug delivery systems, biodegradable contact lenses, and pharmaceuticals. CORE's innovations include a novel method to fabricate PDMS microfluidic chips with high throughput.
Researchers unveil smart contact lens, capable of implementing AR-based navigation
Researchers have developed a smart contact lens capable of implementing AR-based navigation using a novel electrochromic display technology. The device uses Prussian blue to display directions to the user in real-time, overcame limitations of existing AR devices.
Contact lenses to treat dry eye syndrome
The Terasaki Institute for Biomedical Innovation developed a contact lens prototype that facilitates tear flow in response to normal eye blinking, relieving CLIDE symptoms. The lenses, with microchannels and square cross-sections, can guide tear flow and combat dry eye syndrome.
Genetics combined with long years of schooling can lead to nearsightedness in children
Researchers identified five genetic variants that progressively increase the risk of becoming nearsighted with more schooling, especially for university-level education. These findings provide new insights into biological pathways causing nearsightedness and its interaction with lifestyle factors.
Eye care research informs major WHO report
A new study reveals less than half of people over 50 worldwide have received spectacles or contact lenses needed to correct refractive error. The World Health Organisation aims to increase treatment coverage by 40 percentage points by 2030.
Reusable contact lenses more than triple risk of rare preventable eye infection
A recent study has found that people who wear reusable contact lenses are nearly four times as likely to develop a rare sight-threatening eye infection. The study identified multiple factors that increase the risk of Acanthamoeba keratitis, including reusing lenses or wearing them overnight or in the shower.
Smart contact lenses for cancer diagnostics and screening
Scientists have developed a smart contact lens that can capture and detect exosomes, nanometer-sized vesicles found in bodily secretions, which hold promise for cancer diagnostics. The lens was designed to bind to antibodies capturing exosomes found in tears, offering a potential platform for non-invasive cancer screening.
Peer review affirms MiSight® 1 day sustains slowing of eye growth over six years for myopia control
A new peer-reviewed study confirms MiSight 1 day contact lenses slow eye growth and halt myopia progression in 90% of children, with no loss of effectiveness over time. The longest-running soft contact lens study among children demonstrates sustained efficacy for nearly all children, regardless of age or initial refractive error.
Smart LED contact lenses for treating diabetic retinopathy
Researchers developed smart contact lenses that emit far-red light to treat diabetic retinopathy. The study showed the lenses prevented retinopathy in diabetic animal models, demonstrating their safety and effectiveness.
Pivotal international seven-year MiSight® 1 day contact lens study indicates no myopia control rebound in children
A seven-year study by CooperVision indicates that MiSight 1 day contact lenses slow myopia progression without a rebound effect, even after treatment cessation. The lenses demonstrate sustained slowing of myopia progression across different ages and with varying levels of myopia.
Let there be light: photoinitiators for dental fillings, contact lenses and dentures etc.
Researchers at Graz University of Technology have developed a new production method for germanium-based photoinitiators, making them cheaper and more efficient. This enables their use in contact lenses, prostheses, and artificial human tissue, among other applications.
CooperVision presents expansive ocular research during 2021 BCLA Virtual Conference
CooperVision presented over 20 papers and posters on presbyopia, soft toric lens fitting, and myopia control. The research highlights the importance of patient input, toric lens performance attributes, and children's acceptance of myopia control interventions.
Contact lenses poised to detect cancer, treat disease and replace digital screens
New contact lens technologies can diagnose diseases like diabetes and cancer, treat eye conditions, and enhance vision. Integrated circuits will enable intraocular pressure monitoring and retinal imaging for early disease detection.
Soft contact lenses eyed as new solutions to monitor ocular diseases
Researchers from Purdue University developed soft contact lenses with integrated biosensors to monitor ocular health conditions, including glaucoma. The technology records electrophysiological retinal activity without topical anesthesia, improving accuracy and user comfort.
New long-term study affirms contact lens wear as healthy option for children
A six-year study found minimal impact on physiological response in children wearing daily disposable soft contact lenses, affirming their safety for correcting myopia and slowing its progression. The research also highlights the importance of lens fit, material, and patient habits in ensuring successful wear.
Color blindness-correcting contact lenses
Researchers developed infusing contact lenses with gold nanoparticles to create a safer way to see colors for people with color blindness. The gold nanocomposite lenses improved red-green color perception in clinical trials without leaching dye, offering a potential solution for those struggling with the condition.
Surrey unveils breakthrough manufacturing process of ultra-thin sensor for smart contact lenses
Researchers developed a breakthrough sensor system and manufacturing process for smart contact lenses, featuring a photodetector, temperature sensor, and glucose sensor. The ultra-thin sensor layer offers high detection sensitivity, good biocompatibility, and mechanical robustness.
Largest-ever study on children's soft contact lens safety shows low complication rates
A large retrospective review of over 1,000 children found very low complication rates for soft contact lens wear, similar to those in adults. The study's findings offer reassurance to eye care professionals and parents about the safety of myopia management options.
Six-Year MiSight contact lens study: 23% of eyes showed no additional myopia progression
The CooperVision MiSight 1 day clinical study found that nearly one in four children's eyes remain stable for myopia after six years. The study also suggests that commencing treatment at an older age can slow the rate of myopia progression.
Anti-reflective coating inspired by fly eyes
A team from UNIGE has successfully replicated a nanoscale coating on different surfaces, mimicking the natural anti-reflective and anti-adhesive properties of fly eyes. The coating consists of two ingredients: retinin and corneal wax, which work together to generate a regular network of protuberances.
Multifocal contact lenses slow myopia progression in children
A clinical trial funded by the National Eye Institute found that multifocal contact lenses reduce worsening nearsightedness and slow eye growth in children. The study, published in the Journal of the American Medical Association, shows promising results for a new option in myopia control.
Young nearsighted kids benefit from bifocal contact lenses, study shows
Research shows that multifocal contact lenses can slow nearsightedness progression in children as young as 7 years old. A three-year clinical trial found that kids wearing bifocal contact lenses with a high reading power had slower eye growth, but no vision problems.
New paper helps advance myopia management strategies
A new literature analysis published in Ophthalmic & Physiological Optics provides a comprehensive review of evidence-based information for managing myopia. The paper discusses various safety and efficacy considerations for behavioral, optical, and pharmaceutical pathways, as well as potential future avenues for myopia management.
Smart contact lenses that diagnose and treat diabetes
Researchers at Pohang University of Science & Technology developed smart contact lenses that can detect diabetes and treat diabetic retinopathy by controlling insulin secretion with electrical signals. The lenses verified accurate glucose level detection in tears of diabetic rabbits.
Ocular scientists advise contact lens and spectacles wearers during COVID-19 pandemic
Ocular scientists provide evidence-based guidance for practitioners and patients on safe use of contact lenses during COVID-19 pandemic, emphasizing importance of good hand hygiene, proper lens care, and temporary lens removal when ill. Experts also debunk rumors about glasses/spectacles providing protection against COVID-19.
High-tech contact lenses correct color blindness
Scientists have created ultra-thin optical devices known as metasurfaces integrated into off-the-shelf contact lenses to correct deuteranomaly, a form of red-green color blindness. The new customizable contact lens can restore lost color contrast and improve color perception up to a factor of 10.
Self-moisturizing smart contact lenses
Researchers developed self-moisturising smart contact lenses to tackle dry eye syndrome, a common problem associated with contact lens wear. The new system uses electroosmotic flow to maintain moisture levels, powered by biobatteries and showing promise for future applications.
Contact lens for childhood myopia coming to the US in 2020
The FDA has approved MiSight 1 day, a daily wear contact lens that slows the progression of myopia in children aged 8-12. The lens is the first and only FDA-approved product clinically proven to slow myopia progression.
New approach to slowing nearsightedness in children shows promise
A new study suggests combining eye drops and contact lenses can effectively slow nearsightedness in children, with benefits seen in both high and low myopia cases. The combination treatment was found to be 28-38% more effective than using either method alone.
Researchers receive multi-year grants to identify corneal ulcer genetic biomarkers
A study led by Case Western Reserve University aims to identify genetic biomarkers for corneal ulcer infections, which can lead to blindness. The research focuses on contact lens wearers and will explore the genetic profile of those who contract infections versus those who don't.
Sleeping in contact lenses puts you at risk of dangerous infection
Contact lens wearers are advised to remove their lenses before sleeping to avoid microbial keratitis, a potentially serious infection. Proper eye care is crucial to prevent such health issues.
Outbreak of preventable eye infection in contact lens wearers
A new outbreak of Acanthamoeba keratitis has been identified in contact lens wearers, with a threefold increase in cases since 2011. Poor hygiene, contaminated water, and improper use of contact lenses are linked to the risk of developing the disease.
Four-year study: Pioneering contact lens approach slows myopia progression in children
A four-year study reveals that a contact lens management approach can significantly slow myopia progression in children, including those who start treatment later. The innovative miSight lens has been shown to reduce myopic progression rates by 59% and 52% compared to a control group.
The environmental cost of contact lenses
Scientists have found that contact lenses can break down into smaller plastic particles when exposed to wastewater treatment plants, which can harm aquatic organisms. The study's authors hope that industry will take note and provide proper disposal guidelines for contact lenses.
UNIST introduces new smart contact lens for diabetics
The new smart contact lens can detect glucose levels in tears using built-in pliable electronics and wireless antenna. It offers a pain-free way to measure blood sugar levels, potentially reducing compliance issues among diabetic patients.
New biosensor could monitor glucose levels in tears and sweat
Researchers developed an ultra-thin, flexible sensor that can track glucose levels in tears and sweat for improved diabetes monitoring. The biosensor detects a range of glucose concentrations and is flexible enough to be incorporated into contact lenses or watches.
Help from the stomach for dry eyes
Researchers have developed a new contact lens coating made from a molecule found in pig stomach mucus, which can prevent tissue damage caused by dry eyes. The coating is long-term protective and requires no repeated applications, offering an alternative to existing hyaluronic acid products.
Three-year study says new contact lens therapy slows myopia progression in children by 59 percent
A pioneering contact lens therapy has shown considerable potential to impact the rising prevalence of myopia in children, slowing its progression by 59%. The dual-focus contact lens was effective in reducing the rate of juvenile-onset myopia, with no side effects common to alternative pharmacological therapies.
Are soft contact lenses safe for children? Risks seem no higher than in adults
A review of soft contact lens wear in children and adolescents found no higher incidence of adverse effects than in adults, suggesting they may be safer for younger patients. Greater parental supervision can help mitigate risks.