What are the requirements for femtosecond myopia surgery?

The conditions for ReLEx laser surgery are: the age must be between 18 and 50 years old; The degree of myopia is within 1200 degrees, the degree of hyperopia is within 600 degrees, and the degree of astigmatism is within 600 degrees; The degree of myopia has been relatively stable in the past two years, and the annual degree development does not exceed 50 degrees; There are no other eye diseases, the cornea thickness must reach 550 microns, etc., and in order to ensure the safety of the operation, a strict and detailed preoperative examination must be carried out.

Hello, there are indications and contraindications for all surgeries.

Indications: 1. Power: 75 degrees to 2,000 degrees can be considered.

2. Age: There is no strict age limit, generally speaking, the best correction range: 18-50 years old, and the degree is stable.

3. Ocular conditions: no active ocular lesions and systemic diseases that affect the surgical effect, such as glaucoma, keratoconus, diabetes and other systemic diseases.

4. Have a reasonable expectation of postoperative results.

5. The diopter power is stable for more than two years, and the annual power change does not exceed 50 to 1. The comprehensive results of the preoperative examination were qualified.

Contraindications: Relative contraindications: there is related inflammation in the eye, there are related lesions in the fundus that require further **, mild dry eye syndrome, etc., if other data are qualified, there is no problem after the re-examination and it will not affect myopia surgery.

Absolute contraindications: There are keratoconus, glaucoma, insufficient corneal thickness, diabetes, collagen diseases, etc., these conditions are absolutely not suitable for this surgery.

Whether it is suitable for surgery needs to be determined through a comprehensive examination, and it is recommended that you can choose a professional ophthalmologist to do a comprehensive preoperative examination to determine whether it is suitable for surgery.

What are the requirements for ReLEx surgery?

1. The patient has the desire to remove the lens and has reasonable expectations for the surgical effect;

2 Age 18 years or older.

3 The refractive state is basically stable (the annual growth of myopia refractive power does not exceed d) for 2 years.

4 No other active, infectious lesions in the eye.

5 The corneal morphology is normal (keratoconus needs to be excluded) and the corneal thickness is appropriate.

Hello, the current requirement is over 18 years old and under 50 years old. If the patient is over 18 years old and still in the stage of reading and studying, or the family thinks that the child may grow taller, it is recommended that the patient postpone the time of surgery and ask the patient to reach a relatively stable stage of refraction within at least two years, and the eye axis will not continue to grow to a relatively stable level. Patients under the age of 18 are considered to have increased refractive power and corneal curvature due to the increase in height due to the fact that growth and development have not stopped.

Patients over the age of 50 are already prone to presbyopia, which will greatly affect their near vision, and even if surgery is performed, the results of the surgery will be greatly affected.

The best age range for myopia surgery is 18-50 years old, with myopia of 100-1000 degrees, hyperopia within 600 degrees, and astigmatism within 600 degrees.

Myopia surgery is currently required to be between 18 and 50 years old, and the degree does not increase significantly every year.

18-50 years old is the best age for myopia. Myopia eye surgery is recommended for children over 18 years old, which is to consider that children over 18 years old have a more stable refraction. The prescription of myopia surgery should be stable, because after the surgery, the effect of a specific prescription on the eye is fixed, so the premise of the surgery is that the prescription of myopia is stable before surgery.

The age is too young, the degree is unstable, still developing, and the degree is still changing. When you are too old, your myopia will change to a certain extent, and the lens in your eye will change when you are over 50 years old, which will also affect the change in the myopia degree of your eyes.

Over 18 years old, it can only be done after the refraction is stable.

The best age for femtosecond laser myopia surgery is between 18-45 years old, for patients under 18 years old, because the eye is still developing, the eye axis may gradually become longer, and the myopia degree is still unstable. If surgery is performed during this time, it will lead to poor postoperative stability, and there may be a combination of refractive regression, which will lead to poor correction results. [Click to inquire about myopia surgery**].

ReLEx laser surgery is suitable for patients with myopia of about 100-1000 degrees, without incision of the corneal flap, it is the use of femtosecond laser to scan the complete cornea to form a lens, and the lenticule is removed through a small incision, so as to complete the correction of refractive error.

If you want to know more about eye surgery, you can consult Huaxia Ophthalmology, Huaxia Eye Hospital adheres to the concept of "exquisite medical skills, intimate service, noble medical ethics, elegant environment, reasonable fees, fast and convenient", in order to establish an old hospital trusted by the people, it is a modern ophthalmology specialized hospital integrating medical treatment, teaching, scientific research and blindness prevention. Huaxia Eye Hospital Group shares are listed on the Growth Enterprise Market of Shenzhen ** Stock Exchange, **abbreviation: Huaxia Ophthalmology, ****:

Femtosecond laser myopia surgery uses people with high eye use, and the surgery is already very mature. Myopia patients between the ages of 18 and 50 years old, with stable numbers in the last two years, no other serious eye diseases (dry eye, glaucoma, macular degeneration, diabetes, etc.), femtosecond laser myopia surgery can correct 100-1000 degrees, hyperopia within 600 degrees and astigmatism within 600 degrees. Whether it is suitable for laser myopia surgery or not, you need to go to the hospital for specific examination.

Although myopia surgery is a minimally invasive surgery, after all, it is linked to "surgery", many patients are inevitably nervous when they hear about surgery, in fact, they are nervous about not understanding the surgery, and when they understand the process and precautions of surgery, they can naturally relax.

1. Do a detailed preoperative examination to see if you meet the conditions for femtosecond laser myopia surgery.

2. Female friends try to avoid menstrual periods.

3. Before femtosecond laser surgery, you can't drive by yourself, you can take the bus or ask a friend to drive to accompany you, and there is no problem with normal eye use the next day.

4. No cold and fever.

5. Follow the doctor's instructions and order anti-inflammatory potions before surgery.

1. Go for a preoperative examination first. 2. If the preoperative examination is allowed, go back to order the eye drops prescribed by the hospital and do eye training. 3. Wash your hair and cut your nails the day before surgery, and girls should not wear makeup.

4. Bring sunglasses on the day of surgery, and it is best to find someone to accompany you. Do not bring small children. 5. Girls avoid menstrual surgery.

6. Avoid surgery during illness. 7. The diet should be light before surgery.

Myopia can usually be corrected by wearing optical glasses, and the surgical methods of myopia are commonly used in two ways: full femtosecond and half femtosecond, of which full femtosecond laser surgery.

**Myopia is currently a safer one, but there are also pros and cons: [10s test which correction plan is suitable for me].

1.Pros: ReLEx surgery is only performed in the stromal layer of the cornea, does not require the production of corneal flaps, changes to the ocular surface structure is small, relatively small wounds, fast recovery, and is not prone to problems such as poor corneal reduction and corneal flap turbidity.

Moreover, the vision can basically return to normal after the full femtosecond laser**, which is beneficial to pilots, astronauts, soldiers of special services, surgeons and other practitioners to improve their vision;

2.Disadvantages: After the ReLEx laser**, the eyes are easily tired in the early stage, and there may be double vision in the light, but it will gradually improve. In addition, he suffers from dry eyes.

As well as the chance of ocular infectious diseases will increase, a small number of people may have myopia correction or overcorrection, etc., which may cause corneal damage or displacement during the operation, but it is less likely. In addition, some patients may also develop myopia due to long-term improper use of their eyes after surgery**.

For more information, it is recommended to consult the Department of Ophthalmology of Beijing Mingshi. All laser equipment of Beijing Mingshi Ophthalmology has its own technical parameters and functional advantages, and 7 sets of laser surgery equipment provide strong technical support for personalized surgical methods through collocation and strong combination. Corneal topography is used as an adjunct.

Wavefront aberration. There are three types of excimer cutting guidance technologies for corneal topography conversion aberration, which truly realizes myopia surgery for every patient.

The private customization, technology won the hearts of the people, and won the unanimous praise of patients. European and American background. The strength is very strong and worth choosing.

It should be noted: 1. Pay attention to the time you use your eyes.

Children's eye development is not perfect, the ability to work is low, every time you read or write for an hour, you should let the child go to outdoor activities, do games, look into the distance, or observe the flowers and trees, so that the tense eye muscles are relaxed, eliminate fatigue. In addition, it is necessary to make the child's life regular, have enough sleep, and let the eyes get enough rest.

2. Pay attention to the light of your eyes.

Do not allow your child to read or write in dark light or sunlight. If a 25-watt light bulb is used indoors at night, the distance between the book and the bulb should be within 1 meter. If you use a 60-watt bulb on a stool, the distance between the book and the bulb should be 1 2 meters.

Cloudy days, dusk, weak light in the moonlight, and strong light in the sun are not suitable for reading and writing. When watching TV, it is necessary to maintain a suitable distance, which should generally be 5 7 times the diagonal length of the phosphor screen. The time to watch TV should not exceed 2 hours at a time.

3. Pay attention to eye exercise.

Physical exercise can enhance blood circulation and metabolism, supply more nutrients to the eyes, and enhance the resistance of the eyes, which is an indirect exercise for the eyes. The direct exercise is eye exercises, which is based on the massage, massage, acupuncture and acupuncture acupuncture points of Chinese medicine, combined with jujube Kuanhui medical sports, which is a scientific method to protect eyesight. Parents should learn the basic knowledge of eye exercises, give specific guidance and often urge their children to do eye exercises, and persevere.

4. Pay attention to eye nutrition.

In order to protect children's eyes, children can eat more carrots, animal liver, lean meat, to supplement vitamin A, or regularly supplement the comprehensive nutrition of the eyes with Leyan vision nutrients, and at the same time, it is also necessary to appropriately consume millet, tofu, animal liver and other supplements of vitamin B2, so as to avoid night blindness, corneal malacia, red eyes, dry itching and other symptoms. Eating too much sugar will harm your child's eyesight, so your child's sugar intake should be controlled.

5. Pay attention to regular inspections.

Regular check-ups are due to the fact that children's eye structure, binocular visual function, and intelligence are still in the process of continuous development after birth, and the content of the examination is different at different ages. The usual age of ophthalmologic examination is generally 2-7 days after birth, 42 days after birth, 3 months, 6 months, and 1 year of age, and then once a year. In this way, the problem can be detected early and corrected early, instead of waiting until the vision has deteriorated and there is a vision problem before going for a check-up.

In terms of age, ReLEx laser surgery requires patients over 18 years old and under 50 years old; The degree of myopia should be below 1200 degrees, and the degree of myopia has been stable for more than two years without development.

These groups of people are not suitable for ReLEx surgery for the time being:

1. Those with too high myopia.

Generally speaking, the best results are achieved within 900 degrees of myopia in the range of ReLEx surgery**. For patients with too high myopia, it is best to choose ICL lens implantation to correct high myopia.

2. The cornea is too thin.

First of all, you should know the location of ReLEx surgery** myopia. ReLEx surgery**Myopia is the remodeling of the cornea, which requires the ablatation of a part of the corneal stromal layer, or the removal of the corneal stromal lens, so there are certain requirements for the thickness of the cornea, and the corneal thickness is generally required to be greater than 500 microns.

3. Those with active ocular diseases.

ReLEx surgery**Although myopia is only a routine operation on the cornea, if you have blepharitis, acute conjunctivitis, corneal ulcer, keratitis, dacryocystitis, stye and other active eye diseases, you should be active before surgery**, and surgery can only be considered after the condition is controlled. In addition, patients with eye diseases such as keratoconus, glaucoma, and corneal endothelial degeneration cannot undergo ReLEx surgery.

4. Those with contraindications to systemic surgery.

In addition to the above three points, the patient must not suffer from autoimmune diseases, diabetes and other diseases that will affect wound healing; Patients with severe scarring constitution are also not allowed to operate. In addition, patients who are very concerned about the idea of surgery and cannot cooperate well with the doctor's operation cannot do the full femtosecond surgery.

Conditions for ReLEx Laser Surgery:

First of all, the age should be 18-50 years old, generally minors under the age of 18 may have myopia after surgery because of incomplete eye development. However, in middle-aged and elderly people over 50 years old, eye function begins to decline slowly, and not all of them can achieve satisfactory results after surgery.

The second is the requirement of myopia prescription, the myopia correction range of femtosecond laser surgery is within 1000 degrees, and astigmatism is within 500 degrees. At the same time, it also needs to be relatively stable in the past two years, and the fluctuation should be within 100 degrees. Because the eye with high myopia is not completely corrected when the glasses are dispensed, the change in power is not clear, so it is necessary to judge whether the conditions are met through optometry and preoperative examination.

Thirdly, people with myopia with a myopic eye power of more than 1000 degrees, insufficient corneal thickness or corneal topography that does not meet the surgical requirements cannot do full femtosecond laser surgery. In addition, the absence of other eye diseases such as cataracts, glaucoma, and other active inflammatory or systemic immune diseases is required for ReLEx laser surgery.

ReLEx laser surgery is a myopia correction surgery with a very small wound, which preserves the integrity of the cornea, does not require surgery during the operation, avoids iatrogenic cross-infection complications, and reduces the occurrence of dry eye syndrome. Those who meet the above requirements can go to a professional institution for preoperative examination, and those who pass the preoperative examination can discuss the operation time with the doctor and prepare for the operation.