Different Types Of Color Blindness

A couple from America totally trusts their world's biggest pitbull called Hulk to babysit their newborn son. They even let the massive canine of 72 kg to lick their baby Jackson. Lisa Grennan, the mother, never leaves the baby with the dog without supervision but nevertheless she completely trusts Hulk.

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“I have no worries with Hulk being around the baby. It's not a big deal,” she says. Jackson's older brother also grew with Hulk and there were never any problems.

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Her husband Marlon owns company Dark Dynasty K9s that specialises in training elite protection dogs for the police, celebrities and billionaire clients from around the world. He believes as long as “there's structure, rules, boundaries, limits and leadership” everything will be ok.

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There are two major types of color blindness: those who have difficulty distinguishing between red and green, and who have difficulty distinguishing between blue and yellow. Total color blindness exists but it is much less common than partial color blindness. Here we will focus on the most common kinds of colorblindness.

A person with normal vision sees the world around them in these colors.

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Deuteranomalia is the most common form of color blindness. Around 4.63% of men suffer from it and in many cases don’t even realize. It’s clear from the photo that the colors have lost some of their brightness, especially with regard to green and red.

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Protanopia is a less-widespread form of color blindness — only around 1% of men experience it. All shades of green and red appear somewhat faded, whilst blue and yellow shades remain virtually unchanged.

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Tritanopia is a very rare form of color blindness affecting men and women to an equally small degree. Those who experience it see the world in greenish pink tones.

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As for total color blindness, it certainly exists, but it’s extremely rare: only 0.00003% of the world’s population has it.

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