Comments on: Glasses Let Color-Blind See Red Light

By: fuck

fuck — Sat, 01 Nov 2008 17:35:24 +0000

im color blind will i have trouble driving?

By: Chris Sebes

Chris Sebes — Thu, 14 Aug 2008 20:18:55 +0000

Back in the 1940s this might have been a problem if the red light was out, because many intersections only had one signal. Today’s intersections have multiple signals, not only for increased visibility, but also for light failure. With the addition of LEDs in the signals, light failures are extremely rare. If the concept works, it has merit today.

By: Caution Optional » Blog Archive » Modern Mechanix - Yesterday’s Tomorrow, Today

Mon, 10 Mar 2008 18:18:51 +0000

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By: Alexander Sorokin

Alexander Sorokin — Mon, 14 Jan 2008 20:51:51 +0000

I’m sure you aren’t colorblind. The problem comes from a single blinking light. It could be either red or yellow and I don’t see a difference! I always look for the stop sign. I never confuse red light and green light. I have to say that a red light with bright white flash is a far superior design.

I think that a green filter for the glasses might indeed be superior to the red filter. This might bring the perception of a color-blind person closer to normal color vision.

By: Rick Auricchio

Rick Auricchio — Sun, 22 Jul 2007 03:43:30 +0000

The design is flawed because it doesn’t fail safely.

If the red light bulb were to fail, the driver would always think he had a green light—very dangerous.

A safe system would have a green filter. Then, the driver would stop in the absence of a good green light.

But I don’t think the filters work like that: it’s much easier to make a red filter work.