What Are the Side Effects of LASIK Eye Surgery? A Complete Review of Risks and Key Considerations

Thursday, July 02, 2026

SAEDNEWS: In this article, we have tried to examine all of these issues in simple language so that you understand exactly what risks LASIK eye surgery has and how they can be prevented.

What Are the Side Effects of LASIK Eye Surgery? A Complete Review of Risks and Key Considerations

According to Saednews, In recent years, LASIK eye surgery has become one of the most popular methods for correcting vision and freeing people from glasses and contact lenses. Many individuals are encouraged to undergo the procedure after hearing positive experiences from others. However, while LASIK can deliver excellent results, it is not without risks, like any surgical procedure. Being aware of its possible side effects helps you make a more informed decision.

From dry eyes to night vision difficulties and even regression of eyesight correction, several complications may occur after the procedure.


What is LASIK Eye Surgery and How Does It Work?

Before discussing the side effects, it is important to understand what LASIK actually does. In this procedure, a doctor uses a laser beam to reshape part of the cornea. This change allows light to focus properly on the retina, resulting in clearer vision.

The entire procedure usually takes less than 30 minutes, and the patient can return home the same day. However, full visual recovery may take several weeks. During this period, temporary or sometimes longer-lasting side effects may appear.


Side Effects of LASIK Eye Surgery

Dry Eyes After LASIK

One of the most common side effects of LASIK is dry eyes. In the first weeks or months after surgery, patients may experience burning, itching, or a sandy sensation in the eyes. This happens because the corneal nerves responsible for stimulating tear production are partially affected during the procedure.

Doctors usually prescribe artificial tear drops to reduce these symptoms. Most patients improve within a few months, although in some cases dry eye may persist longer or become chronic. Avoiding dry environments, using a humidifier, and staying well hydrated can help reduce discomfort.


Night Vision Problems

Many people report experiencing halos, glare around lights, or reduced vision in the dark after LASIK, especially during nighttime driving. This is more common in the early recovery stage and is caused by changes in corneal shape and how light passes through it.

In most cases, this issue is temporary and improves as the cornea heals. If it continues for several months, a follow-up examination with an eye specialist may be necessary. Special night glasses or specific eye drops may also help.


Temporary Double Vision or Blurred Vision

In the first few days after surgery, blurred vision or double vision is common. This is usually part of the normal healing process. However, if it persists beyond a few weeks, medical evaluation is recommended.

Irregular corneal healing or slight differences in corneal thickness may sometimes lead to double vision. In such cases, enhancement surgery may be suggested.


Regression of Vision Correction

Although LASIK is intended to provide permanent vision correction, some patients may experience partial regression over time. This is more likely in individuals with high pre-surgery prescriptions or specific corneal structures.

Regression may be mild and affect only distance or night vision. In more severe cases, glasses or a repeat procedure may be needed. Ensuring stable vision for at least one year before surgery reduces this risk.


Corneal Inflammation or Infection

Although rare, corneal inflammation or infection is one of the more serious complications of LASIK. Symptoms such as severe redness, pain, discharge, or sudden vision loss require immediate medical attention.

Proper eye hygiene after surgery is essential. Patients should avoid touching their eyes, use prescribed drops regularly, and stay away from dusty or contaminated environments.


Long-Term Vision Issues (Rare Cases)

In very rare situations, corneal changes may lead to permanent vision reduction. This usually occurs when patients are not suitable candidates for LASIK—for example, those with thin corneas or certain eye conditions.

That is why a thorough pre-surgical evaluation is crucial. An experienced eye surgeon will assess corneal thickness, retinal health, and prescription stability to determine eligibility for the procedure.


Post-LASIK Care to Reduce Side Effects

To minimize complications, the following precautions are important after surgery:

  • Do not rub your eyes under any circumstances

  • Use prescribed medications and eye drops regularly

  • Avoid swimming pools, saunas, and eye makeup for several weeks

  • Wear sunglasses when exposed to sunlight

  • Contact your doctor immediately if you experience pain or sudden vision changes


Frequently Asked Questions

Can everyone undergo LASIK?
No. Some individuals are not suitable candidates due to eye conditions or health issues. People with thin corneas, pregnancy, uncontrolled diabetes, or chronic dry eyes may be advised against the procedure.

Is LASIK painful?
No. The procedure is painless due to local anesthetic drops. Mild discomfort or a foreign body sensation may occur afterward.

How long does dry eye last after LASIK?
Usually a few weeks to a few months, although in some cases it may last longer.

Is blindness possible after LASIK?
Blindness is extremely rare and typically only associated with severe infection or major medical error.

Can LASIK be repeated?
Yes, in some cases where vision regression occurs or results are incomplete, an enhancement procedure may be recommended.

When can normal activities resume?
Most people return to light daily activities within 2–3 days, but should avoid eye strain during early recovery.