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colour blandness

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I just took two quick tests on colorvisiontesting.com, along with a colleague; while I have doubts about such tests, because of the variability of computer monitors, these ones gave a clear result, confirming that I’m colour-blind relative to “normal” people.

I would never have known I was severely colour-blind if not for the Ishihara tests, which I took under medical supervision years ago. One translation of Ishihara (石原) might be “stony wilderness”, which (I suppose) describes where the Cones should be in my retinas; I hope that means more Rods, since I do think I have good night vision. Apart from that, the only effect visible to me, outside the tests, is difficulty distinguishing between similar colours in poor light – which I thought everyone had problems with.

I took a more thorough test, a few years ago, in the research department of the Royal Victoria Eye Hospital here in Dublin. (An Irish institution named after an English Queen, with the Royal prefix? Hey, if it ain’t broke…) It involved laying little pots of colour in order, e.g. from blue to red. Didn’t do too well there either, if the tut-tutting of the researcher was any clue. (I admit to being slightly distracted by the researcher, who was named Hilary, and was rather beautiful in a slightly Lilith Sternin Crane fashion.)

So, if I’m colour-blind… what am I doing learning photography? Or should I stick to black-and-white film? I find some software colour correction of digital images to be overactive, but I think I have to trust it, at least on pictures aimed at this site.

No, it’s not spelled “color”. I don’t mind using some American spellings, particularly those where a “s” is replaced with a “z” (e.g. “realize”), since I think the change aids in correct pronunciation, but this one is a little beyond the pale (pun intended)…

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Written by brian t

October 24, 2005 at 6:14 pm

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