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Contact lens materials

Hydrogel contact lens materials: Dead and buried or about to rise again?

October 7th, 2013

A major impediment to the growth of the contact lens market remains the fact that contact lenses induce end-of-day dryness symptoms in some 50% of wearers. This results in poor comfort for the last 2-3 hours of the day in a substantial number of people and is a major driving force behind contact lens dropout, which occurs in some 20-25% of all patients who commence lens wear. Despite the introduction of many new contact lens materials and solutions over the past decade, the percentage of wearers who complain of end-of-day dryness and discomfort has hardly changed in 20 years. Continue reading →

Antimicrobial activity of melimine or cathelicidin bound to contact lenses

October 3rd, 2013

Development of antimicrobial contact lens could have the capacity to reduce the rate of contact lens related adverse events. The purpose of this study was to evaluate two cationic peptides coated on contact lenses for their activity against P. aeruginosa and S. aureus. Continue reading →

Contact lens material properties that influence preservative uptake

October 1st, 2013

Contact lens care solutions play a major role in the overall care of contact lenses. A lens care solution is composed of several important components including preservatives (or biocides), surfactants, chelating agents and buffering agents. Continue reading →

New developments in contact lens materials: A conference synopsis

October 1st, 2013

Manufacturers and scientists continue to develop materials capable of overcoming the challenges associated with contact lens wear. The following is a summary of new materials research presented at the 2012 meeting of the American Academy of Optometry (AAO) and the 2013 meeting of the Association for Research in Vision and Ophthalmology (ARVO). Continue reading →

Issues

  • In-Office Procedures for Dry Eye
  • Multifocal Contact Lenses
  • Artificial Tears: An Update
  • Myopia: New Evidence and Best Practices
  • Neuropathic Pain
  • Specialty Rigid Lenses
  • Contact lens compliance
  • Pandemic update
  • Digital Devices and Dry Eye: A Growing Issue
  • The long and short of axial length
  • Using BCLA CLEAR with your patients
  • Helping your patients through allergy season
  • Getting the measure of meibomian glands
  • 2020: An extraordinary year
  • Scleral lens update
  • A dose of myopia
  • New news since TFOS DEWS II
  • COVID-19 Special Edition
  • Material considerations
  • Putting dry eye theory into practice
  • Getting started with Ortho-K
  • Infiltrates – an update
  • Staining
  • Myopia matters: Summarising the IMI reports
  • Lids and contact lenses
  • Myths
  • Revisiting patient compliance
  • Contact Lenses & Kids
  • Interprofessional Collaboration
  • Digital eye strain
  • New Dry Eye Technology
  • Update on Presbyopia
  • Taking stock of dry eye disease: DEWS II
  • Scleral Lenses
  • Pain and Sensation
  • Lab measurements in clinical practice
  • Control of pediatric myopia
  • Nutrition
  • Rethinking contact lens deposits
  • Extended wear
  • Daily Disposables
  • Eyelash Mites (Demodex)
  • Outsmarting bacteria with new technology
  • Youth and contact lenses
  • Sports Vision
  • Ocular effects of UV radiation from the sun
  • Eyelid Conditions
  • Makeup: Impact on ocular health
  • Myopia Control – Update 2014
  • The Growing Prevalence of Myopia
  • Cosmetic contact lenses
  • Contact lens discomfort – The essentials
  • Technology and contact lens research
  • It's A Question of Comfort
  • Contact lens materials
  • Let's talk about SICS
  • Conjunctival Controversies
  • Kids & Contact Lenses
  • One-day silicone hydrogel lenses
  • Solutions
  • Spotlight on Scleral lenses
  • Drug delivery via contact lenses
  • Ocular allergies
  • Reducing lens case contamination
  • Dry eye and meibomium gland dysfunction
  • Myopia Control
  • Presbyopia
  • Compliance and non-compliance
  • Lens care
  • Celebrating 50 years of contact lenses

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