| Joshua Silver |
Demonstrating his self-adjustable spectacles
Professor Joshua Silver is a United Kingdom physicist whose discoveries have included a new way to change the curvature of lenses, with significant application for the low-cost manufacture of corrective lenses and adjustable spectacles, especially in low-income countries.
Silver began his academic career in the Department of Atomic and Laser Physics at the University of Oxford, ultimately leading a research group. Professor Silver is currently the chief executive of the Centre for Vision in the Developing World at the University of Oxford, working to research the scope of and potential solutions to the problems of refractive error and low vision in the developing world.
While studying mirrors, Silver discovered a new way to change the curvature of lenses. He applied this to create a new form of liquid-filled corrective lens, that could be easily adjusted by the wearer to correct the vision of over 90% of people requiring correction. This is particularly useful for people in developing countries where specially trained optometrists are not available. In 1996 he formed a company, Adaptive Eyecare, to develop these adaptive ophthalmic lenses in partnership with the UK Government's Department for International Development, for distribution in developing countries. The company has developed prototype adaptive spectacles (called AdSpecs) that can correct both far-sighted and near-sighted people, and these spectacles have been trialled in several countries in Africa and Asia. So far 30,000 of Silver's lenses have been distributed in 15 countries.
In 2007 his research focused on using spectroscopy to understand the physics of highly charged ions (produced using the university's electron beam ion trap (EBIT)). This research has application in understanding extreme plasma environments such as fusion tokamaks and stellar atmospheres.
In 2016, Professor Silver complained to West Midlands Police that Home Secretary Amber Rudd had committed a hate crime while giving a political speech at the Conservative Party conference. During an interview with Andrew Neil on BBC2's Daily Politics, Prof Silver said:
- "I didn’t actually see the speech but I’ve read the draft. And I’ve looked at all the feedback that there was to the speech. I’ve read the speech carefully and I’ve looked at all the feedback. It’s discriminating against foreigners, you pick on them and say we want to give jobs to British people and not to foreigners. It was interpreted that way."
- "Of course it wasn't a hate incident... What Amber Rudd said was no different from Gordon Brown when he said there should be British jobs for British workers. I think Mr Silver should be thoroughly ashamed of himself because what he's doing is to bring a well-intentioned piece of legislation into disrepute."
The BBC subsequently reported that West Midlands Police had not formally investigated Amber Rudd's speech, but had recorded it as a "non-crime hate incident" in accordance with national police guidelines.
A Document by Joshua Silver
|Title||Document type||Publication date||Subject(s)||Description|
|Document:Theresa May's Misconduct In Public Office||Article||9 March 2019||2016 EU Referendum|
Withdrawal from the European Union
Misconduct in Public Office
|Theresa May's Misconduct in Public Office offence arises from what is alleged to have been her wrongful activation on 29 March 2017 of Article 50 of the Treaty on European Union|
- "De Bono medal presented to professor Joshua Silver for his self-adjustable spectacles"
- "Centre for Vision in the Developing World"
- Tracey Barnett (2008-02-09). "Top design for the truly needy". The New Zealand Herald.
- Nicholas Thompson (2002-12-12). "Self-Adjusted Glasses Could Be Boon to Africa". The New York Times.
- "Adaptive Eyecare website"
- Esther Addley (2008-12-22). "Inventor's 2020 vision: to help 1bn of the world's poorest see better". The Guardian.
- "Andrew Neil skewers Oxford professor over hate crime claims Katy Balls" The Spectator, 12 January 2017
- "Home Secretary Amber Rudd speech on foreign workers treated as 'hate incident' by police" Tom Batchelor, The Independent, 12 January 2017
- "Police treat home secretary speech as 'hate incident'" BBC News website, 12 January 2017
- Professor J D Silver profile at University of Oxford
- 2005 Health Award Laureate Joshua Silver
- Esther Addley, Inventor's 2020 vision: to help 1bn of the world's poorest see better The Guardian, December 22, 2008
- http://www.freepatentsonline.com/result.html?p=1&edit_alert=&srch=xprtsrch&query_txt=IN/"silver+joshua+david"&uspat=on&usapp=on&date_range=all&stemming=on&sort=chron&search=Search all his patents
-  YouTube of him demoing his glasses.
- Centre for Vision in the Developing World his current organisation for researching the technology
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