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The Basement
color blindness and sound engineering
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<blockquote data-quote="Ryan Lantzy" data-source="post: 63773" data-attributes="member: 7"><p>Re: color blindness and sound engineering</p><p></p><p></p><p></p><p>That's not really that bad.</p><p></p><p>A diopter (actual correction measurement) of -3.5 for eyeglasses correts for vision that would be classified at about 20/200 vision with no astigmatism. My contact perscription is -4.25 in one and -4.75 in the other with astigmatism of 1.5 at 10 degrees in one and 1.75 at 30 degrees in the other. Typically, contact perscriptions are not as severe as eyeglass perscriptions, so my eyeglass perscription is probably in the -5 region, though I don't know it off hand.</p><p></p><p>My vision is somewhere between 20/400 and 20/500 - it's not easy to determine for someone with astigmatism. According to my optometrist, vision this bad is not all that uncommon, and I'm still able to get contacts, and using polycarbonate lenses they aren't all that thick. I'm also still a good candidate for laser eye correction. My vision is so bad that if I went driving without correction, I would probably be charged with a first degree felony for attempted murder.</p><p></p><p>Back when I used to ride a motorbike, the wind caught my eyeglasses, and tore them off my face. That was a very scary situation. Needless to say, I took a permanent break from riding after that.</p></blockquote><p></p>
[QUOTE="Ryan Lantzy, post: 63773, member: 7"] Re: color blindness and sound engineering That's not really that bad. A diopter (actual correction measurement) of -3.5 for eyeglasses correts for vision that would be classified at about 20/200 vision with no astigmatism. My contact perscription is -4.25 in one and -4.75 in the other with astigmatism of 1.5 at 10 degrees in one and 1.75 at 30 degrees in the other. Typically, contact perscriptions are not as severe as eyeglass perscriptions, so my eyeglass perscription is probably in the -5 region, though I don't know it off hand. My vision is somewhere between 20/400 and 20/500 - it's not easy to determine for someone with astigmatism. According to my optometrist, vision this bad is not all that uncommon, and I'm still able to get contacts, and using polycarbonate lenses they aren't all that thick. I'm also still a good candidate for laser eye correction. My vision is so bad that if I went driving without correction, I would probably be charged with a first degree felony for attempted murder. Back when I used to ride a motorbike, the wind caught my eyeglasses, and tore them off my face. That was a very scary situation. Needless to say, I took a permanent break from riding after that. [/QUOTE]
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