Why don't the surgical gowns get the white of the white coat but get blue and green.

It is not to look good, nor to distinguish the doctor's job function, nor to match the red blood and add some yellow to make up the three primary colors in the operating room.

In fact, this small detail is a small snapshot of how medicine has progressed from the age of obscurity.

Before the advent of modern medicine, doctors' clothes were not only not blue-green, but not even white.

Later, with the establishment of microbiology, disinfection awareness, doctors began to understand that working in the hospital, if a blood, dust or anything else, is not clean and unhygienic, the clothes should be cleaned and disinfected in a timely manner.

Wearing a white coat at this time could quickly detect blood stains on the body and remind doctors to change and disinfect in time.

It is said that the first person who started to implement the white coat was the founder of the surgical disinfection method, Joseph Lister (1827-1912), an English doctor.

Therefore, it is said that the white coat has been the royal costume of doctors for more than a century.

Doctors on the operating table often had to work for hours in front of a blood red color. Staring at a color for a long time, it is easy to cause brain fatigue, scalpel alignment is inaccurate, and can even cause visual interference phenomenon.

In psychology, this phenomenon is called "visual afterimage".

Simply put: If you look at a color for a long time, when the eyes shift to look elsewhere, you will see the complementary color with that color just now. If you look at red for a long time, you will see green when you look elsewhere. In order to reduce the visual disturbance caused by "visual afterimage" and to reduce the fatigue of doctors' attention to the red color, most of the surgical gowns are made of blue-green. Therefore, most of the surgical gowns are made of blue and green, so that doctors can shift their eyes to blue and green from time to time to keep their brains sharp to red and make precise cuts.

In fact, not only the surgical gown, but also the walls of the operating room and other places are mostly light blue and green, which serve the same purpose.

So don't underestimate the simple matching of blue and green in surgical gowns. It actually contains the development of the medical world in the field of concept/technology/humanity for hundreds of years.