Seeing clearly
Short-sightedness, presbyopia and astigmatism; glasses, contact lenses and refractive surgery, with the evidence in their favour and its limits.
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Intraocular lenses: monofocal, multifocal, EDOF
In cataract surgery the natural lens is replaced by an artificial one. Which types exist, what you gain and what you give up with each, according…
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Cataracts: when to operate and when you can wait
There is no need to wait for a cataract to ‘ripen’, but no need to rush either: guidelines tie the decision to everyday life. What the…
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Astigmatism: what it is, how you see and how it is corrected
It is the most common vision defect in the world. Why a cornea shaped like a rugby ball blurs images at every distance, and what studies…