
Even though the first cataract extraction operation was conducted in the 18th century, cataracts have really been treated for a much longer. In actuality, the earliest known cataract operation took place in the fifth century BC. As a result, it ranks among the earliest surgical techniques ever performed. The methods employed then were undoubtedly less advanced than those used now or even in the 18th century. When the lens was fully opaque and hard, a procedure called "couching" was applied. This involved poking the eye with a sharp item or striking it with a blunt one.
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Astronomers have found more than a million asteroids as of right now. The majority of orbits are located between Mars and Jupiter. Thus, The Main Asteroid Belt is the name given to this area. The belt between Mars and Jupiter's orbits is where the majority of asteroids are concentrated.
Astronomers have found more than a million asteroids as of right now. The majority of orbits are located between Mars and Jupiter. Thus, The Main Asteroid Belt is the name given to this area.
Astronomers have found more than a million asteroids as of right now. The majority of orbits are located between Mars and Jupiter. Thus, The Main Asteroid Belt is the name given to this area.