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Alberto Manguel

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Gender Male
Age 76
Born Buenos Aires
Argentina
Partner Craig Stephenson
SpousePauline Ann Brewer
Movies/Shows Empire of the Word
Job Translator
Author
Novelist
Book editor
Education University of Liège
Anglia Ruskin University
Colegio Nacional de Buenos Aires
Anglia Ruskin University Cambridge Campus
Awards Prix Formentor
Alfonso Reyes International Prize
Guggenheim Fellowship for Creative Arts, US & Canada
Date of birth January 1,1948
Current partner Craig Stephenson
Date of Reg.
Date of Upd.
ID506820

A History of Reading
The Library at Night
Packing My Library: An Elegy and Ten Digressions
A reading diary
The Dictionary of Imaginary Places
Nuevo Elogio de La Locura
Reading Pictures
All Men Are Liars
The Traveler, the Tower, and the Worm: The Reader as Metaphor
Stevenson under the palm trees
Homer's the Iliad and the Odyssey
Dernières nouvelles d'une terre abandonnée
The City of Words
Into the looking-glass wood
Curiosity
Une histoire de la lecture
With Borges
Black Water: The Book of Fantastic Literature
Gates of Paradise
Magic Land of Toys
Kipling
Un Amante Extremadamente Puntilloso
Una Historia de La Lectura
By the Light of the Glow-Worm Lamp
Bride of Frankenstein
Seasons
Le Livre d'images
Dans la forêt du miroir. Essai sur les mots et sur le monde
Stevenson sous les palmiers
The Ark in the Garden: Fables for Our Times
Contos de Horror do Século XIX
Con Borges
Leyendo Imagenes
Bilder lesen.
Im Spiegelreich.
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Alberto Manguel Life story


Alberto Manguel OC FRSL is an Argentine-Canadian anthologist, translator, essayist, novelist, editor, and a former Director of the National Library of Argentina.

Why do billions of people still not have glasses?

Feb 16,2020 8:24 am

Making spacecraft is not a job in which you can afford to be slapdash.

At Lockheed Martin , for example, it used to take a technician two painstaking days to measure 309 locations for certain fasteners on a particular curved panel.

But according to Shelley Peterson , the aerospace company's head of emerging technologies, the same job now takes little More Than two hours.

What changed? The technician started wearing glasses.

It looks like a bulky set of safety goggles. And it layers digital information over The Real world. In this case, it scans the curved panel, makes its calculations, and shows the technician exactly where each fastener should go.

Microsoft launched its Hololens Augmented Reality headset in 2016

such as the and Google Glass .

, their prospects seemed quite Different . They were seen as a consumer device, something that would let us check Instagram and take videos without the hassle of reaching for our phones.

They did not catch on. The Few people who ventured out in public wearing Google Glass attracted the dismissive soubriquet "glassholes".

Some early Google Glass wearers were mocked

, so reinvented the glasses for the workplace. Many jobs, After All , involve frequent pauses to consult a screen that tells us what to do next.

With smart specs, we can see those instructions while we keep working. It saves a vital few seconds in getting information from internet to Brain .

highlights the inventions, ideas and innovations that helped create the economic world.

It is broadcast on the BBC World Service. You can find and or.

A thousand years ago, information travelled rather more slowly.

In Cairo, in the 1010s, the Basra-born polymath Hasan Ibn al-Haytham wrote his masterwork, the Book of Optics, but it took two centuries for his insights to be translated beyond Arabic.

Haytham understood Vision better than anyone before Him .

Hasan Ibn al-Haytham is often referred to as "The Father of modern optics"

Some earlier scholars, for example, had said The Act of seeing must involve Some kind of rays being emitted from The Eye . By careful experiment, Haytham proved them wrong: light comes into The Eyes .

Before Haytham, optical devices had been cumbersome: The Roman writer Seneca magnified text using a clear Glass bowl of water. But The Gradual spread of knowledge inspired new ideas. Some Time in the late 1200s came The World 's first pair of reading glasses.

Who made them is lost to history but they probably lived in northern Italy. Venice, in particular, was a hub of glassmaking at the Time - problematically so, as buildings in Venice were made of wood and the glassmakers' furnaces kept starting fires.

In 1291, The City 's authorities banished the entire trade to the neighbouring island of Murano. By 1301, "eyeglasses for reading" were popular enough to feature in the rulebook of The Guild of Venetian Crystal Workers.

But historians' biggest clue to The Origin of eyeglasses comes from a sermon in 1306 by one Friar Giordano da Pisa. The invention was now 20 years old, he told his congregation in Florence. As Alberto Manguel notes in A History of Reading, the friar declared glasses to be "one of The Most useful devices in The World ".

Saint Augustine is pictured wearing glasses in this 1498 painting

He was right. Reading strained The Eyes at The Best of times: medieval buildings weren't famed for their big windows and artificial light was dim and expensive.

As we age, it becomes harder to focus on close-up objects; middle-aged monks, scholars, notaries and merchants were simply out of luck. Friar Giordino was 50. One can imagine why he appreciated his spectacles so much.

But they were useful only to the small minority who could read. When the printing press came along, glasses reached a bigger market. The First specialist spectacle shop opened in Strasbourg in 1466.

Manufacturers branched out from convex lenses, which help people see close-up. They learned How To grind concave lenses as well, which help people focus on things Far Away .

Put concave and convex lenses together and you have the basic ingredients for a microscope or a telescope. Both inventions emerged from The Spectacle shops of the Netherlands around the year 1600, opening whole New Worlds to scientific study.

Nowadays we take glasses for granted - in the developed world, at least. A suggests about three-quarters of people in the UK wear glasses or contact lenses or have had surgery to correct their Vision . It's a similar story in and.

In less developed countries, however, the picture is very Different - and only recently did we get a clearer view of it.

More things that made the modern economy:

Historically, The World Health Organization has collected data on only.

Many more can see well enough to muddle through daily life but would Still benefit from spectacles. But how many? decided to find out, one assumes not for entirely selfless reasons.

In 2012 came The Answer : That's an eye-popping figure but.

And many of Those People may have no idea glasses could help them.

In 2017, researchers tested The Vision of hundreds of tea-pickers aged 40 or over. They gave a simple $10 (£8. 20) pair of reading glasses to half of those who needed them. Then, they compared how much tea was picked by those who wore the glasses and those who didn't.

Those with the glasses averaged about 20% more tea. The older they were, the more their tea-picking improved. The tea-pickers are paid by how much tea they pick. Before the study, not one owned glasses. By the end, hardly any wanted to give them back.

How widely we can extrapolate from this study is hard to say:

Still , - and that's before you think about people's quality of life or children struggling at school.

How many children's education is undermined by poor eyesight?

One randomised trial concluded.

And the need is growing. Presbyopia is a long-sightedness which comes with age; Researchers aren't sure why, though it may have to do with.

What would it take to correct The World 's Vision ? Clearly, more eye doctors would help - Greece , for example, has one ophthalmologist for roughly every 5,000 people; in India, it's one per 70,000; in Some African countries, it's one per a million.

But while serious eye problems demand skilled professionals, people whose needs are more easily fixable could be reached by other workers.

In Rwanda, a charity trained nurses to do sight checks;

Vision for a Nation trained 2,700 Rwandan nurses who carried out nearly a million eye tests

Could teachers identify students struggling to see? I've worn glasses since primary school, when My Teacher saw me squinting at the blackboard and told My Mother to Take Me to an optician.

Another study suggests they could.

It shouldn't be Rocket Science to Roll Out 13th-Century technology.

One wonders what Friar Giordano would make of a world in which we build spacecraft in Augmented Reality but haven't yet helped a couple of billion people fix their fuzzy views of actual reality. He'd probably tell us where to focus.

The author writes the Financial Times's Undercover Economist column. is broadcast on the BBC World Service. You can find and or



eyesight

Source of news: bbc.com

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