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This Is Very Nice Blog.<br />Anonymoushttps://www.blogger.com/profile/18289759757812708775noreply@blogger.comtag:blogger.com,1999:blog-3519698878741488269.post-84184718595100649512012-06-17T19:00:27.257-05:002012-06-17T19:00:27.257-05:00Hi Resuna - I'm not sure of the exact layout o...Hi Resuna - I'm not sure of the exact layout of the 1879 signals, but I would imagine it was laid out in some sort of pattern. I assume that, at the time, there was so little known about color vision deficiency that it was easier to fire the employee and move on than to understand how his vision deficiency would affect (or note affect) his ability to perform the work.Brianhttps://www.blogger.com/profile/06851365487853742880noreply@blogger.comtag:blogger.com,1999:blog-3519698878741488269.post-67155675578858906362012-06-11T10:04:02.784-05:002012-06-11T10:04:02.784-05:00Isn't this why they went to multiple lights, s...Isn't this why they went to multiple lights, so the position of the light provides a cue?Resunahttps://www.blogger.com/profile/11926139083455275005noreply@blogger.comtag:blogger.com,1999:blog-3519698878741488269.post-75413722996052534692011-03-17T17:40:47.183-05:002011-03-17T17:40:47.183-05:00Steve - I assume you have a mild colour vision ano...Steve - I assume you have a mild colour vision anomaly, such as deurotanomaly, which does have little to do with real world abilities. That train driver sounds like a daltonist to me. I would suppose that the rail company employing him was unaware of his red-green confusion.<br /> Back when the accident happened, train signals were of the semaphore type which required the driver to learn two different colour systems for day and night. But modern colour light signals only use the same three colours as traffic lights. Those three and blue are the colours used by the railways, which would be unlikely to interfere with the mildest types of colour anomaly. But it may well be that you need greater visual acuity to achieve a similar performance so it's worth mentioning.Myrtonehttps://www.blogger.com/profile/06414825749856157045noreply@blogger.comtag:blogger.com,1999:blog-3519698878741488269.post-9838026976481569572009-05-16T23:58:00.000-05:002009-05-16T23:58:00.000-05:00Steve - I agree that colorblind tests often have l...Steve - I agree that colorblind tests often have little to do with real-life abilities.<br /><br />I also can't pass traditional colorblind tests but have worked as a Traffic Engineer for ten years. My background in this area and the general lack of discussion about colorblindness in transportation were the catalysts for this blog. <br /><br />There are misconceptions about those with color vision deficiencies, and I hope to do two things:<br />1) Expose those misconceptions<br />2) Learn about ways to address real issues that affect colorblind motorists.<br /><br />Thanks for sharing your experience.Brianhttps://www.blogger.com/profile/06851365487853742880noreply@blogger.comtag:blogger.com,1999:blog-3519698878741488269.post-65716741629162706782009-05-16T19:59:00.000-05:002009-05-16T19:59:00.000-05:00I think it generally viewed that if you are "Color...I think it generally viewed that if you are "Colorblind" you cannot see these shades of color,I cannot pass the Ishihara book for the life of me but have done further testing,I am a locomotive driver and also hold a Commercial Pilots licence with no problems indentifying colors in my careers.I dont think we should be outed from any career until on job testing has been done and your ability to do that job noted.Stevenoreply@blogger.comtag:blogger.com,1999:blog-3519698878741488269.post-79361983777766723462009-05-13T14:10:00.000-05:002009-05-13T14:10:00.000-05:00It's a side-show thing, like when people asked me ...It's a side-show thing, like when people asked me last weekend "What color is that? How about this?"<br /><br />I'm not bothered by it, but the purpose of it for the "audience" is typically interest/curiosity/amusement.Brianhttps://www.blogger.com/profile/06851365487853742880noreply@blogger.comtag:blogger.com,1999:blog-3519698878741488269.post-22505699888545952292009-05-13T13:18:00.000-05:002009-05-13T13:18:00.000-05:00I just read this, and laughed out loud at the quot...I just read this, and laughed out loud at the quote "to the great amusement of the committee and spectators". Spectators? What where they doing? Cheering him on and then booing him if he got a color wrong.Erickhttps://www.blogger.com/profile/06155291575051486935noreply@blogger.com