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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Presbyopia: why reading up close gets harder after 40
The arm stretching out to read the menu is often the first sign of age. What changes in the lens, when presbyopia begins and how many…
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Presbyopia: glasses, contact lenses, laser, artificial lenses: what works
Glasses, multifocal lenses, monovision, laser, artificial lenses: for presbyopia there are many routes and none suits everyone. What studies have measured about advantages and compromises.
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Orthokeratology: night lenses against myopia
You put them in in the evening, take them out in the morning and see sharply by day. How night contact lenses work, how far they…
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Varifocal glasses: why you see badly at first and how you get used to them
The floor that seems closer, the edges that blur, the stairs taken with caution: the first weeks with varifocal glasses are often like this. How these…
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Myopia: what it is, how you see and why it gets worse
In Europe one adult in three is short-sighted, and among the youngest nearly one in two. What happens in the eye, how you see with myopia,…
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Short-sightedness, long-sightedness, astigmatism, presbyopia: the differences
More than half of European adults have a vision defect. What happens in the eye with short-sightedness, long-sightedness, astigmatism and presbyopia, how they add up and…
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Contact lenses: daily, monthly, toric, multifocal
Soft or rigid, daily or monthly, toric for astigmatism, multifocal for presbyopia: what distinguishes contact lenses and what studies say about comfort and infections.
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Laser eye surgery: risks, side effects and who cannot have it
Dry eye, halos, infections and ectasia: how common the risks of laser surgery for short-sightedness are according to the studies, and why the tests before the…
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Laser eye surgery for short-sightedness: LASIK, PRK and SMILE compared
Three ways of reshaping the cornea with a laser: similar results at one year, but differences that matter for recovery, pain and dry eye. What the…
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Long-sightedness: why you see badly up close (and sometimes in the distance too)
Most children are born long-sighted, and one European adult in four still is. What it means to have a ‘short’ eye, why the effort grows with…
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Cataract surgery: how it is done, how long it takes and what the risks are
It is the most frequent operation in the hospitals of the European Union, and almost always you go home the same day. How it works, what…
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Corneal cross-linking: how it works and who it is for
Riboflavin and ultraviolet light to stiffen a cornea that is giving way: what the randomised trials of cross-linking in keratoconus have shown, in young people too,…