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How Can You Get Color Blindness If Neither Parent Has It
Trauma: Color blindness can be acquired (rarely) by trauma to the brain or trauma to the retina of the eye. It can also come from degenerative diseases that affect the retina, like macular degeneration as well as metabolic diseases, like diabetes. Another possible cause is vitamin a deficiency. ...Read moreSee 1 more doctor answer
Vision impairment and blindness are conditions in which a person cannot see well or see at all, even with glasses or contact lenses. If a person's best vision (with correction) out of either eye is only 20/70 - 20/200, he is impaired. If he can see no better than 20/200 or his visual field is no more than 20 degrees (severe "tunnel" vision), ...Read more
Other diseases: While the typical types of color deficiency are due to an inheritance through the genes, color deficiency can occur from inherited retinal diseases like retinitis pigmentosa, diffuse retinal damage such as advanced diabetic retinopathy and a few rare individuals with a stroke in the color perceptive part of the brain which can eliminate color recognition. ...Read more
State specific: States have specific requirements for licensure, being color blind or having physical disabilities does not exclude you from driving. Contact your dmv, licensure division, and discuss with them what difficulties you experience. Most states offer licensure possibly with restrictions, if you pass the written/ in-car testing. You may need modifications to the car. Licensure is about safe driving. ...Read more
Yes: Color vision is not an issue with driver's licensing. All traffic signals are made of colors that will not be confusing to the color deficient . Driver's license testing only is concerned with line acuity (like 20/20) and field of vision (how far can you see to each side). ...Read moreSee 2 more doctor answers
Will being color blind affect my chances to get into nasa? I've wanted to be a nasa astronaut for as long as i can remember, but i recently was diagnosed with color blindness. Will this affect my eligibility for nasa?
School age: Most color deficiency of the more severe type is recognized in art activities in elementary school when inappropriate color matches are made. Milder forms of color deficiency are frequently not noticed until adulthood and in some cases not at all as the recognition failure can be very subtle with little practical import. ...Read more
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