The reasons why people who do semi-femtosecond are more than those who do full femtosecond are analyzed as follows:
1. First, semi-femtosecond was introduced to China around 2005, and full flight was introduced to China around 20 10. From the introduction time, the introduction time of semi-femtosecond is relatively long, and everyone can only choose to do semi-femtosecond surgery before full femtosecond.
2. The second main reason is that all-femtosecond laser myopia surgery has many requirements. Many people will choose to do semi-femtosecond laser myopia surgery if they do not meet the requirements of full femtosecond surgery.
3. Relatively speaking, semi-femtosecond can perform humanized surgery on the patient's cornea, which can save the cornea and recover quickly, and is suitable for people with deep myopia and high astigmatism; Full femtosecond surgery has the advantages of short operation time, less surgical trauma, maximum preservation of corneal structural consistency, good postoperative reliability and so on, and is suitable for people who join the army, players and so on.
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