Diseases and disorders
Glaucoma, macular degeneration, cataract, dry eye, conjunctivitis and other eye disorders: how to recognise them and what the studies say.
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Allergic conjunctivitis: pollen, itching and what the studies say
Eyes that itch, water and turn red every spring. What allergic conjunctivitis is, how much it weighs on everyday life and what studies have found on…
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Keratoconus: symptoms, causes and treatments
A cornea that thins and takes on the shape of a cone, usually between the ages of 10 and 30. How it is recognised, who is…
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Cataracts: the first symptoms and how vision changes
Lights that dazzle, outlines that lose their edge, new glasses that stop being enough after a while: how cataracts announce themselves, what they are and which…
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Secondary cataract: why vision turns hazy again after surgery
Months or years after the operation, vision can become veiled again. It is not the cataract returning, but the capsule that holds the artificial lens: how…
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Chalazion or stye? The differences, how long they last and treatments
They look alike, but one is an acute infection and the other a lump that can stay for months. How to tell chalazion and stye apart…
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Blepharitis: why the eyelids become inflamed and how it is treated
Reddened eyelid margins, crusts at the base of the lashes, burning eyes. What blepharitis is, the role of the meibomian glands and Demodex mites, and what…