Articles tagged with Contact Lenses
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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.
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.
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.
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.
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.
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.
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.
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.
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...
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 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.
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.
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.
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.
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.
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.
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.
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.
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.
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 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Researchers developed a smart contact lens sensor that can monitor biomarkers for diabetes and glaucoma, allowing real-time health monitoring and wireless transmission of data. The sensor uses transparent and flexible materials, maintaining its characteristics even when deformed or exposed to human tears.