Breaking News
November 21, 2018 - Many people underestimate the impact of sprains, say foot scientists
November 21, 2018 - Lower levels of protein make squamous carcinoma cells more invasive
November 21, 2018 - Study highlights a new predictor of type 2 diabetes
November 21, 2018 - New low-cost injectable hydrogel could help wounds heal faster
November 21, 2018 - Merck Announces Winners of 2018 Life Science Awards
November 21, 2018 - Amount of weight regain after bariatric surgery helps predict health risks
November 21, 2018 - Heart failure patients with stronger hearts have more depressive symptoms, lower quality of life
November 21, 2018 - Women can be as resilient as men in undertaking arduous physical activity
November 21, 2018 - Receptor structure could be key to developing new osteoporosis drugs
November 21, 2018 - Researchers identify human white matter pathway associated with individual variability in human stereoacuity
November 21, 2018 - Vitamin D critical to early development of vertebrates, study suggests
November 21, 2018 - Myriad biological, societal factors that impact CKD severity for children of African descent
November 21, 2018 - Isofol Announces Initiation of a Pivotal Phase 3 Clinical Trial of arfolitixorin for the Treatment of Metastatic Colorectal Cancer
November 21, 2018 - Experts offer more clarity on managing common ankle fractures
November 21, 2018 - About 300 million bits of DNA are missing from basic reference genome, report scientists
November 21, 2018 - Study explores how the moving brain processes visual information
November 21, 2018 - Biomedical engineers stop cancer cells from moving and spreading
November 21, 2018 - Gut protein mutations protect against spikes in blood glucose levels
November 21, 2018 - First probabilistic atlas of thalamus nuclei to better understand the brain
November 21, 2018 - Peanut allergies could soon have a drug treatment
November 21, 2018 - Vanderbilt researchers isolate antibody that can neutralize West Nile virus
November 21, 2018 - KHN’s ‘What the Health?’ Health nerd books for the holidays
November 21, 2018 - MDMA could help gain trust but does not make one naive find researchers
November 21, 2018 - Study uncovers new mechanism controlling the master cancer regulator
November 21, 2018 - Online communication technologies could stave off depression among seniors, shows study
November 21, 2018 - FDA Approves Gamifant (emapalumab-lzsg) for Primary Hemophagocytic Lymphohistiocytosis
November 21, 2018 - Artificial intelligence predicts treatment effectiveness
November 21, 2018 - A bicyclist’s road to recovery after traumatic brain injury
November 21, 2018 - New research project to combat obesity, type 2 diabetes receives NIH funding
November 21, 2018 - Humans play key role in distribution and transmission of Bartonella bacteria
November 21, 2018 - First modeling system developed for testing age-specific human immune responses to vaccines
November 21, 2018 - FDA Alert: Gilenya (fingolimod): Drug Safety Communication
November 21, 2018 - Uric Acid Test: MedlinePlus Lab Test Information
November 21, 2018 - Researchers use genetics to predict response to antipsychotic medications
November 21, 2018 - Proposal to include the price of drugs in television ads is flawed, Stanford scholar writes
November 21, 2018 - Disrupting reproduction strategy of disease-causing parasites could help fight malaria
November 20, 2018 - ACAAI: Almost 2 Percent of Children Have Milk Allergy
November 20, 2018 - Congenital anomalies of kidney and urinary tract – Genetics Home Reference
November 20, 2018 - Can video games improve the health of older adults with schizophrenia?
November 20, 2018 - Can flicking a molecular switch restore the aging immune system’s competence?
November 20, 2018 - Restek launches new Oregon cannabis pesticide standards
November 20, 2018 - Health sector coalition urges Government to safeguard patients in future UK-EU relationship
November 20, 2018 - Study evaluates second-hand marijuana smoke exposure among children
November 20, 2018 - Scientists identify three genes responsible for recurrent molar pregnancies
November 20, 2018 - Researchers identify multisystem disorder caused by bi-allelic variants in CCDC47 gene
November 20, 2018 - Dining Out With Allergies Is Tough, But These Steps Can Help
November 20, 2018 - Breastfeeding protects infants from antibiotic-resistant bacteria
November 20, 2018 - AI matched, outperformed radiologists in screening X-rays for certain diseases | News Center
November 20, 2018 - Adolescents increasingly choose marijuana over cigarettes, alcohol
November 20, 2018 - World’s first medical imaging scanner produces diagnostic scan of the whole human body
November 20, 2018 - Cytocybernetics receives NIMH award to move into neuronal drug development
November 20, 2018 - Researchers discover new information on pathological mechanisms of Alzheimer’s disease
November 20, 2018 - ‘Unknown’ enzyme may be key to new treatment for inflammatory diseases
November 20, 2018 - Recreational drug may help people regain trust in others
November 20, 2018 - Researchers identify gene vital for post-stroke recovery
November 20, 2018 - Scientists identify novel target for neuron regeneration, functional recovery in spinal cord injury
November 20, 2018 - Potential new therapeutic approach developed for synovial sarcoma
November 20, 2018 - Skeletal imitation reveals how bones grow atom-by-atom
November 20, 2018 - Autism behaviors show unique brain network fingerprints in infants
November 20, 2018 - Location matters for inflammation clearance
November 20, 2018 - Towards finding a druggable cancer target
November 20, 2018 - Ultragenyx Announces Intent to Submit New Drug Application to U.S. FDA for UX007 for the Treatment of Long-chain Fatty Acid Oxidation Disorders in Mid-2019
November 20, 2018 - Cooling ‘brains on fire’ to treat Parkinson’s
November 20, 2018 - Less pollution could increase the average lifespan of Copenhageners by an entire year in 2040
November 20, 2018 - Abramson Cancer Center becomes the 28th member institution of National Comprehensive Cancer Network
November 20, 2018 - The plug and play time-resolved spectrometer from PicoQuant
November 20, 2018 - Breakthrough technology offers new hope to people with glaucoma, retinitis and macular degeneration
November 20, 2018 - New report highlights key focus areas to help cancer screening realize its full potential
November 20, 2018 - International experts to discuss strategies to maintain spatial orientation in old age
November 20, 2018 - Low-protein, high-carb diet may promote healthy brain ageing
November 20, 2018 - Scientists discover new inhibitor that decreases lung inflammation
November 20, 2018 - Participation project calls for relaxing research ban on germline interventions
November 20, 2018 - Karyopharm’s Selinexor Receives Fast Track Designation from FDA for the Treatment of Patients with Relapsed or Refractory Diffuse Large B-cell Lymphoma
November 20, 2018 - Arthritis by the Numbers: Book of Trusted Facts & Figures
November 20, 2018 - Drug homing method helps rethink Parkinson’s
November 20, 2018 - AHF commends the passage of global AIDS funding in the House, calls for swift approval
November 20, 2018 - The search for new psychiatric disorder treatments
November 20, 2018 - New research offers hope for simpler way to diagnose and treat cancer
November 20, 2018 - Study sheds light on the infection mechanism of influenza virus
November 20, 2018 - Storage failures of eggs and embryos gain a new perspective
UA registers a more customised multifocal lens to correct presbyopia

UA registers a more customised multifocal lens to correct presbyopia

image_pdfDownload PDFimage_print

University of Alicante researchers have developed a new multifocal contact lens which rests on the white part of the eye (sclera) to correct presbyopia (or tired eyesight) with a more personalised design according to the specific needs of each user.

Specifically, the Research Group in Optics & Visual Perception has registered this highly permeable to gas contact lens called Presbycustom, which is an international cutting-edge technology, as stated by UA researcher David Piñero.

Presbyopia is an eye defect associated with age – it usually appears between the age of 40 and 45 due to the ageing of the eye’s lens, causing a decrease in the ability to sharply focus on nearby objects. According to the researcher “there are several options to compensate for this anomaly, such as progressive glasses, surgery or multifocal contact lenses, among others.

These lenses, as it happens with the intraocular ones, “generate several foci so that users can focus at different distances (short, medium and long) and the brain learns to select at any time which image they need to use” he reported.

But a recurrent problem referred by a percentage of people who use multifocal contact lenses to correct presbyopia is that they do not work in all cases, Piñero said.

Aware of this pitfall, the University of Alicante researchers have managed to establish adaptation patterns based on a number of variables of anatomical and optical parameters that allow us to determine which lens design is best suited to each person’s eye conditions. As reported by David Piñero, the optical quality of the eye is highly personalised without having to go through a complex testing process.

Another advantage of this lens is that it does not touch the cornea at any point because it rests on the scleral area (white part of the eye), which prevents it from moving when used. “We have created, therefore, a completely stable fixed scleral contact lens that is, moreover, not noticeable as it based on the less sensitive and innervated part of the eye: the scleral connective surface,” as he explained.

The creation of this inexpensive new customised multifocal lens is the result of a project that began in 2016 and has been carried out within the framework of the “proof of concept” funding from the UA Office of the Vice President for Research and Knowledge Transfer.

Also, the firm Lenticon SA has contributed part of the cost and has just purchased the commercial operating licence. Currently, the CE marking is being processed to target the international market.

“Tests have already been done with this lens in several people with different profiles that have highlighted, among other positive aspects, comfort and good quality of vision from far and near,” UA researcher stated.


Explore further:
Researchers design a new intracorneal inlay to correct presbyopia

Provided by:
Asociacion RUVID

Tagged with:

About author

Related Articles