Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work.

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
  #1   Report Post  
Posted to rec.crafts.metalworking
external usenet poster
 
Posts: 5,154
Default Manufacturing our own spectacles?

RCM only


On Mon, 5 Jan 2009 09:55:40 -0800 (PST), the infamous
scrawled the following:

On Jan 4, 6:13 am, "Derek" wrote:
Manufacturing our own spectacles?

The price of lenses seems to have sky-rocketed
in recent years and it seems to me that we might
be well-paced to manufacture our own spectacles after
we are given a copy of the prescription.

We have cutting, grinding and polishing equipment
equipment, and given a supply of acetate sheet
could be well-placed to save ourselves a few shekels.


You might find this interesting:

http://web.mit.edu/newsoffice/2002/eyeglasses-1218.html

"Saul Griffith's vision may help millions of people see better.

The Media Lab graduate student has invented a machine to make low-cost
prescription eyeglass lenses for people in the developing world who
can't afford them now.

The portable device, about the size of a snare drum, has a
programmable mold that forms an acrylic lens in the exact shape
prescribed by an optometrist."


Have there been any updates on this article from 2002? Did he ever do
it?

--
Books are the compasses and telescopes and sextants and charts which other
men have prepared to help us navigate the dangerous seas of human life.
--Jesse Lee Bennett
Reply
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules

Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Manufacturing our own spectacles? Bob Engelhardt Metalworking 3 January 5th 09 02:19 AM
Manufacturing our own spectacles? JR North Metalworking 0 January 4th 09 11:11 PM
Fixing glasses (spectacles) The Natural Philosopher UK diy 0 October 3rd 08 10:15 AM
Repairing spectacles frame. Nobody UK diy 10 December 4th 05 10:32 AM
Safety spectacles, why so difficult? [email protected] UK diy 33 July 24th 03 10:55 PM


All times are GMT +1. The time now is 05:16 PM.

Powered by vBulletin® Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Copyright ©2004-2024 DIYbanter.
The comments are property of their posters.
 

About Us

"It's about DIY & home improvement"