Lennon’s round glasses are a key part of how we remember him. And the story behind why he wore them in public is part history, part vision science.
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Articles on Contact lenses
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Rubbing your eyes might feel satisfying but it could introduce pathogens to the body. Here’s a summary of the most common eye infections.
It is possible to have surgery to replace the crystalline lens, the natural lens of the eye, with an implant — without having a cataract. But surgery has risks.
As people age, their eyes lose the ability to focus on close objects. A new eye drop treatment called Vuity can improve vision without the need for glasses, contacts or surgery.
Orthokeratology involves wearing a specially designed rigid contact lens overnight. There’s good evidence it can help slow the progression of myopia. But like all treatments, there are risks, too.
Contact lens technology is reaching the point where science fiction meets reality. From interfaces to pressure monitors and drug release features, the contact lens industry is about to be disrupted.
Some health products haven’t been tested for the benefits that they claim to produce. Blue-light blocking lenses are promoted as helping sleep cycles, but there is no evidence to support this.
Simple hygiene goes a long way to avoid serious eye infections.
Contact lenses are safe to use during the pandemic as long as you follow strict hygiene recommendations, including frequent hand washing.
Kids need to play outside for a number of reasons, but there may even be benefit for their eyes. Here’s how sunlight helps prevent nearsightedness, or myopia.
Acanthamoeba castellanii is a very painful parasite to encounter.
Top contributors
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Professeur Titulaire. École d'optométrie. Expertise en santé oculaire et usage des lentilles cornéennes spécialisées, Université de Montréal
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Professor of Interdisciplinary Parasitology, University of Nottingham
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Professor of Optometry, The Ohio State University
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PhD candidate, Medical Neuroscience, Dalhousie University
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Assistant Professor of Ophthalmology, University of Pittsburgh
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Scientia Associate Professor, School of Optometry and Vision Science, UNSW, Sydney, UNSW Sydney
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Adjunct Senior Lecturer, UNSW Sydney
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Professor and Director of the Clinical Anatomy Learning Centre, Lancaster University
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PhD student, Chemical Engineering, McGill University
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Dean, College of Optometry , The Ohio State University
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Professor of Optometry and Vision Science, Queensland University of Technology
