LASIK vision correction is one of the modern techniques that is commonly used to treat many eye diseases that affect the clarity of vision. It is also a permanent treatment option for people who no longer want to wear eyeglasses or contact lenses, so let us learn through this article its most important advantages and disadvantages, and who are the people who are candidates for it. 

What is the LASIK vision correction process?

تُعرف عملية تصحيح النظر بالليزك بالانجليزي بـ LASIK، هي واحدة من التقنيات شائعة الاستخدام لعلاج مشكلات الإبصار، إذ بلغ عدد الأشخاص الذين عُلجوا بها  أكثر من 40 مليون شخص. 

The LASIK vision correction process relies on a type of laser specialized in reshaping the cornea and adjusting its curvature, which improves the quality of vision.

Some people may resort to LASIK to get rid of wearing glasses or contact lenses.

What are the conditions for LASIK vision correction?

There are a set of conditions that must be met by a person who wishes to receive LASIK, including:

• The age must exceed 21 years to ensure the desired results are achieved, after stabilizing vision as much as possible. 
• يكون سمك قرنية العين كافي. 
• The person does not suffer from any chronic disease such as diabetes or severe dry eyes. 

Learn about: The price of vision correction surgery in Saudi Arabia in 2025 and the most important factors affecting it

What are the steps in the vision correction process?

Doctors at the Eye Center at Al Mousa Specialist Hospital pay attention to all steps of the vision correction process from the first moment the patient enters. The steps are divided into 3 stages to ensure the patient’s safety and the results of the operation, which are as follows: 

First: Preparing the patient for the operation

Doctors recommend some instructions related to preparing the patient for the operation, such as:

• Stop wearing contact lenses for a full week before the operation because it affects the result.
• The doctor examines the cornea, measures its thickness and shape, and measures intraocular pressure to check on the patient.
• Some doctors prefer to fast from heavy foods before the operation, so that the patient does not feel any annoying symptoms while performing the steps of the vision correction process.

Second: The actual process steps

The actual steps of the operation begin after performing all the necessary tests, and ensuring that the operation suits the patient’s condition, and that he does not suffer from any chronic diseases that may affect the result, and they are as follows:

1. The patient wears a surgical uniform over clothing, and a sterile headgear to prevent infection.
2. The doctor applies local anesthesia through eye drops to relieve any pain during the operation, and the doctor does not need general anesthesia.
3. The eyelid is opened with a special device to prevent the eyelashes from moving during the procedure, and then the points that will be treated with the laser are determined using a precise device.
4. In the case of LASIK: The doctor makes a flap in the cornea, then lifts it and exposes the inner layers of the cornea, reshaping the cornea with precise Excimer Laser rays to correct vision defects, then returns the flap to its place.
5. In the case of surface laser: The doctor removes only the superficial layers of the cornea, then uses a laser to modify the shape of the cornea and correct vision defects, and finally covers the eye with contact lenses used specifically for these operations to protect the eye throughout the recovery period.

Third: After the vision correction process

As for the procedures after vision correction surgery, the doctor recommends leaving the patient to rest in the clinic for an hour after the operation to check on him. The patient may feel some mild burning and itching, which are normal symptoms that gradually disappear after applying therapeutic drops. When leaving the center, he must wear sunglasses to protect the eyes.

What are the pros and cons of vision correction?

The average success rate of LASIK is 96%, and it helps treat vision problems including: 

• nearsightedness. 
• Farsightedness. 
• Astigmatism. 

LASIK technology gives a person clear vision without relying on other methods that he used to use, such as prescription glasses or contact lenses. 

On the other hand, research confirmed the effectiveness of the procedure in restoring the quality and strength of vision, as its results after the operation reached 20/20 and 40/20, respectively, which helped these people pass the driving test.

What are the side effects of LASIK vision correction?

LASIK does not cause harm in the literal sense, but rather a group of side effects that are dealt with provided that the doctor’s instructions and advice are adhered to, including:

• Dry eyes: Dry eyes are one of the most common problems resulting from LASIK, so the doctor recommends using lubricating eye drops. 
• Difficulty seeing at night: A person may suffer from blurred vision at night, which usually lasts for a few days, and its increase is usually accompanied by exposure to lighting. 
• Eye pain and congestion: This pain is usually accompanied by dry eyes and lack of adequate hydration.
• Light sensitivity: Feeling uncomfortable when exposed to any incandescent light source, so it is recommended to avoid exposure to direct sunlight during the first hours after the operation.
• Corneal ectasia: It is one of the serious complications that occur as a result of the thinning of the corneal layer, and thus the corneal tissue cannot maintain its position, causing it to bulge and deteriorate vision.
• Astigmatism: It is one of the complications that occurs due to uneven removal of the lens or corneal tissue.
• Change in vision or loss of vision: In some rare cases, the quality of vision may decrease, and it may lead to loss of vision.

Who are the groups who are prohibited from undergoing vision correction surgery?

There are some categories and cases in which it is prohibited to perform LASIK surgery before consulting a doctor, to avoid serious complications, including: 

• Children under 18 years of age, until all organs and systems of the body have fully developed, and the percentage of vision loss remains constant. 
• Pregnant and breastfeeding women due to the possibility of infants being affected and the drug being transmitted to the fetus.
• People who have twice the thickness of the corneal layer, due to the ease of performing LASIK and avoiding serious complications. 
• Keratoconus. 
• الجلوكوما.

What are the causes of poor vision after LASIK surgery?

There are many possible reasons that may increase the chances of double vision after LASIK, including:

• Change in the shape of the cornea: Corneal ectasia may cause poor vision due to the thinness of its tissue and its inability to perform its tasks as usual.
• Eye problems: Dry eyes that occur after LASIK may contribute to poor vision.
• Incomplete myopia correction: This is a common condition that occurs with people who suffer from nearsightedness, when insufficient part of the eye tissue is removed and the problem remains.

In conclusion, the LASIK vision correction process has become one of the most used treatment methods currently due to its effective results and the absence of serious side effects, in addition to the fact that it does not require a sufficient period of recovery, unlike other surgical options. Be sure to visit your doctor to find out whether this procedure suits you, or whether you need alternative options, and you can visit our website to find out more information that will benefit you.

The success rate of vision correction surgery

The success rate of vision correction surgery at the Eye Center at Al-Mousa Specialist Hospital in Al-Ahsa has reached more than 95%. You can ask about the experiences of previous patients in our eye clinics. Among the most important factors that help the success of the operation are:

• Choose the appropriate and trustworthy center that will choose the appropriate vision correction operations for you.
• Perform all necessary tests to measure the thickness of the cornea, and ensure that there is nothing preventing the operation.
• The patient's age is also one of the most important factors for the success of the operation, as it is very suitable for ages from 18 to 45 years.
• Follow medical instructions and adhere to the therapeutic eye drops recommended by the doctor, while avoiding rubbing the eyes or exposure to direct sunlight. 

Frequently asked questions

What is the difference between laser vision correction and LASIK?

Laser is one of the modern technologies that have recently appeared in the world of plastic medicine and surgery, as it is used in hair removal, vision correction, and skin treatment. However, LASIK is a treatment that uses lasers to correct vision by modifying the shape of the cornea. 

When does vision return to normal after LASIK surgery?

Improvement occurs gradually until the vision score reaches 6/6 about a month after the LASIK procedure. 

What is the appropriate age for vision correction surgery?

It is preferable that the person be over 18 years old so that he can obtain the results he desires.