Doctor insights on:
Red Green Color Distortion
I'm aware there's red-green colorblindness, but is there such a thing as not being able to see just red?
R/G color blindness?: It's hereditary and the most common type of color blindness. What this means is that person was born with a loss or limited function of red or green cones (one type of photoreceptor in the eye).Sometimes the red or green photopigments are abnormal; sometimes there's an actual absence of working red or blue cone cells. You can read more about how this affects color perception at the link below.Best ...Read more
Perhaps: Color blindness is an abnormal condition characterized by the inability to clearly distinguish different colors of the spectrum. The difficulties can be mild to severe. It is a misleading term because people with color blindness are not blind. Rather, they tend to see colors in a limited range of hues; a rare few may not see colors at all. http://medical-dictionary.thefreedictionary.com/red-green. ...Read more
No: If you were color normal, and awoke with this deficiency, i would be very skeptical. This is simply not possible. You can find color deficiency charts on the internet - open one up and test yourself. I suspect you are ok. There is a rare stroke related color deficiency in older folks due to failure of the brain to register color but this is an old folks problem (described by oliver sacks). ...Read more
No: You are safe to watch a 3-d movie. ...Read more
Mgt: The best peak flow using your meter is your personal best. The zones are used to guide your treatment. The information is partial but around 350 is expected for your height. If you upload your asthma action plan to a virtual EMR in box consult, I can take a look. Generally, the red zone indicates a hospital visit to the ED or calling 911, and this is when you are in extreme distress and at 50% PF ...Read more
If a color blind person is red-green color blind, can they still see most shades of those colors normally?
Altered perception: They will see shades of color in all colored objects but will but see the full range, so colors that might appear bright to you will seem attenuated to the color deficient and some colors will seem what you might term brownish. The mixture seen depends upon the depth of the color blindness in each individual. Because of this most color deficient persons adopt rather bland wardrobes. ...Read moreSee 1 more doctor answer
I am red-green colorblind. How can I understand if I have deuteranomaly or protanomaly? Is it possible to have both? Is there a test for it?
Somewhat: The colors in color deficiencies lose their distinctive character (technically become desaturated) so that distinctions are blurred and many greens and reds in the most common form become poorly distinct. The actual color is not know as this is a psychological phenomenon and the color deficient identify many colors the same that a 'normal' would call distinct. ...Read more
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