Is myopia laser surgery suitable for most people? You may not know these taboos

The college entrance examination season is over, and the candidates who have experienced the first major test in their lives feel relieved, and the application process has also come to an end.

Students who have studied hard for more than ten years are happy to have a real summer vacation. Many people will take advantage of this vacation to "take off their glasses", that is, to have laser surgery for myopia.

Is this laser correction surgery suitable for most people? What are the contraindications?

1

Can all myopic patients undergo surgery?

Whether or not the wish can be fulfilled depends on the individual. Correcting vision through surgery is not suitable for everyone.

Whether surgery is possible not only depends on the degree of myopia, but also requires more than 20 preoperative examinations , such as optometry, fundus examination, corneal topography, optical biometry, comprehensive optometry, etc. Only after passing the examinations can surgery be used to reduce the degree of myopia.

Image source: Pexels

And myopia surgery is not completely risk-free, it has many indications and contraindications. So as long as you don't blindly follow the trend, after careful consideration, you must go to a regular hospital to consult a reliable doctor, who will screen out those who are not suitable for surgery through inquiries and preoperative examinations.

So, if your doctor tells you not to do it, don't force it!

2

Will I become myopic again after having myopia surgery?

Some clever people are thinking, since an operation can restore vision, then can we watch TV, use mobile phones and computers as we like? Anyway, once the operation is done, vision is restored. We can happily play with mobile phones as much as we want!

but!

In addition to preoperative examinations, myopia surgery also has age requirements, and is usually recommended to be between 18 and 45 years old .

This is because after the age of 45, the eyes begin to enter the process of "presbyopia". At this time, if the degree of myopia is completely corrected through surgery, the symptoms of presbyopia are likely to appear earlier or become more obvious after the surgery; if a little degree is retained to alleviate the symptoms of presbyopia, it is easy to have unclear vision at a distance. In short, it is difficult to achieve a satisfactory effect.

Image source: Pexels

For minors, myopia surgery can only reduce the current degree of myopia. The myopia degree of adults is relatively stable, but the degree of minors may not be very stable. It is necessary to wait until they reach adulthood and the degree has not changed much for two consecutive years . Myopia surgery is not recommended for the time being.

In addition to myopic patients outside of certain age groups, adults whose myopia exceeds 50 degrees each year within two years are also recommended to consider surgery after the degree stabilizes.

Therefore, you can’t be clever and think you can use your eyes recklessly just because there is eye surgery. Taking good care of your eyes is the right way to go.

3

Is it true that the more expensive the surgery, the better it is?

After all, surgery has its corresponding risks and hidden dangers, so many people believe that you get what you pay for, and the higher the price, the safer it is. In fact, this is not the same as when we buy vegetables and other commodities. The more expensive the surgical plan, the better it is.

In terms of surgical methods, there are essentially two categories: laser surgery and lens implantation .

Laser surgery uses a laser to precisely cut the cornea under computer control to change the refraction path of light. Therefore, the higher the degree, the stronger the light refraction ability, so more cornea needs to be cut. The correction is completed on the cornea, and the laser does not enter the eyeball.

What we often call "semi-femtosecond" and "full femtosecond" are the current mainstream procedures of laser surgery.

Lens implantation refers to the implantation of an ultra-thin lens between the iris and the lens, just like wearing glasses on the eyeball. It is an intraocular surgery and the lens will be inserted into the eyeball.

Image source: Unsplash

The reference price for full femtosecond laser ablation is 18,000 to 25,000 yuan, and the reference price for half femtosecond laser ablation is 10,000 to 16,000 yuan. If personalized cutting is required, it will be more expensive. The reference price for lens implantation is 28,000 to 33,000 yuan.

However, lens implantation does not require corneal cutting, and is therefore very suitable for patients with extreme myopia (myopia of more than 1000 degrees) and patients with moderate to severe myopia with relatively thin corneas. For these people, if laser surgery is chosen, it is usually necessary to cut off a very thick cornea to achieve the correction effect, and the remaining cornea is too thin and prone to complications.

Patients with low to moderate myopia can choose to undergo laser surgery if their eye conditions are adequate to reduce the loss of corneal endothelial cells during the surgery to implant and remove the artificial lens.

Therefore, the specific surgical method and its safety cannot be determined by money alone . It must be checked by experienced doctors.

Myopia varies from person to person, so surgery is also personalized. The doctor will tailor a personalized plan based on all the patient's examination data, taking into account factors such as age, occupation, eye habits, needs, and family economic conditions, in an effort to achieve the ideal correction effect after surgery.

Image source: Unsplash

In short, if you want to have myopia surgery, you should fully consider your eye condition and choose the surgery that suits you. Don't follow blindly. Choose a reliable hospital and doctor. If you are not sure, you can consult multiple parties. Don't rush to make a decision!

Finally, I hope everyone can treat our “windows to the soul” well. Rather than correcting myopia after it occurs, it is a better choice to take good care of your eyes!

END

Tadpole Musical Notation original article, please indicate the source when reprinting

Editor/Xiao Xitushuo