Eizo Announces 24-inch LCD for Colorblind Users
 

According to the Color Universal Design Organization in the U.S. and Europe one of every 10 to 12 males have color vision different from ordinary people and one of every 200 females does as well. Globally over 200 million people are believed to be colorblind. The SX2461W-U uses Color Universal Design technology that uses different color schemes and shapes to help colorblind users distinguish between different colors. The display has a pair of HDCP DVI ports that allows you to use one display for two computers and some USB ports as well. This display can be used by non-colorblind users as well with different profiles available.

http://www.dailytech.com/article.aspx?newsid=9773

How does colorblindness relate to the size or number of DVI ports of this monitor?

? Multiple computers, one single display was why it has multiple DVI ports.