Management
There is generally no treatment to cure color deficiencies. Optometrists can supply colored spectacle lenses or a single red-tint contact lens to wear on the non-dominant eye but, although this may improve discrimination of some colors it can make other colors more difficult to distinguish. A 1981 review of various studies to evaluate the effect of the X-chrom contact lens concluded that, while the lens may allow the wearer to achieve a better score on certain color vision tests, it did not correct color vision in the natural environment.
The GNOME desktop environment provides colorblind accessibility using the gnome-mag and the libcolorblind software. Using a gnome applet, the user may switch a color filter on and off choosing from a set of possible color transformations that will displace the colors in order to disambiguate them. The software enables, for instance, a color blind person to see the numbers in the Ishihara test.
A lot of applications for iPhone and iPad have been developed to help colorblind people to view the colors in a better way. Many apps launch a sort of simulation of colorblind vision to make normal view people understand how the colorblinds see the world. Others ones allow a correction of the image grabbed from the camera with a special "daltonizer" algorithm.
In September 2009, the journal Nature reported that researchers at the University of Washington and University of Florida were able to give trichromatic vision to squirrel monkeys, which normally have only dichromatic vision, using gene therapy.
In 2003, a cybernetic device called eyeborg was developed to allow the wearer to hear sounds representing different colors. Achromatopsic artist Neil Harbisson was the first to use such a device in early 2004, the eyeborg allowed him start painting in color by memorizing the sound of each colour. In 2012 at a TED conference, Harbisson explained how he could now perceive colors outside the ability of human vision.
Read more about this topic: Color Blindness
Famous quotes containing the word management:
“Why not draft executive and management brains to prepare and produce the equipment the $21-a-month draftee must use and forget this dollar-a-year tommyrot? Would we send an army into the field under a dollar-a-year General who had to be home Mondays, Wednesdays and Fridays?”
—Lyndon Baines Johnson (1908–1973)
“This we take it is the grand characteristic of our age. By our skill in Mechanism, it has come to pass, that in the management of external things we excel all other ages; while in whatever respects the pure moral nature, in true dignity of soul and character, we are perhaps inferior to most civilised ages.”
—Thomas Carlyle (1795–1881)
“People have described me as a “management bishop” but I say to my critics, “Jesus was a management expert too.””
—George Carey (b. 1935)