The procedure known as LASIK (Laser-Assisted In Situ Keratomileusis) has completely changed the field of vision correction by providing an effective replacement for contact lenses and spectacles. Since its approval by the FDA in the 1990s, LASIK has become one of the most popular elective surgeries worldwide. Everything you need to know about LASIK surgery, from how it operates to what to anticipate both during and after the process, will be covered in this extensive guide.
How does LASIK Surgery Work?
LASIK surgery is a type of refractive surgery that corrects common vision problems such as myopia (near-sightedness), hyperopia (farsightedness), and astigmatism. The operation aims to restructure the cornea, the clear front section of the eye, so that light entering the eye can be correctly focused onto the retina, resulting in clearer vision.
The LASIK procedure involves three main steps:
- Creating a Corneal Flap: The surgeon uses a microkeratome or a femtosecond laser to create a thin, circular flap in the cornea. Later, the flap is folded to reveal the corneal tissue underneath.
- Reshaping the Cornea: An excimer laser is used to remove tiny amounts of corneal tissue, reshaping the cornea to correct the patient’s vision. The laser is guided by a computer and is extremely precise, making tiny adjustments based on the individual’s specific vision problems.
- Repositioning the Flap: The flap is gently repositioned over the treated area following corneal reshaping. The cornea naturally adheres to the underlying tissue, eliminating the need for stitches.
Preparing for LASIK Surgery
Preparation for LASIK surgery begins with a comprehensive eye exam. Your ophthalmologist will assess the condition of your eyes, take a pupil size test, map the surface of your cornea, and measure the thickness of your cornea. These examinations help in determining if you are a suitable candidate for this procedure or not.
Pre-Surgery Tips:
- Stop Wearing Contact Lenses: Contact lenses can alter the shape of your cornea, so you’ll need to stop wearing them for a period before your pre-surgery evaluation. The length of time depends on the type of lenses you wear.
- Avoid Makeup and Lotions: On the day of surgery, avoid wearing makeup, lotions, or perfumes, as these can interfere with the procedure.
- Arrange Transportation: After the surgery, your vision will be impaired, so you’ll need someone to drive you home.
The LASIK Procedure
The actual LASIK surgery is brief; it usually takes less than 30 minutes. Here’s a detailed summary of what to expect:
- Numbing the Eyes: Your eyes will be numbed with topical aesthetic drops to ensure you don’t feel pain during the procedure.
- Creating the Flap: Using a microkeratome or femtosecond laser, the surgeon creates a thin flap in your cornea. During this stage, you can experience a minor pressure.
- Reshaping the Cornea: The corneal tissue is then reshaped using the excimer laser. In order for the laser to function, you will need to fix your attention on a target light. The laser pulses are painless and last only a few seconds.
- Repositioning the Flap: The surgeon moves the flap after the cornea has been reshaped. There is no need for stitches because the flap sticks by itself.
Is LASIK Surgery Safe?
LASIK is one of the safest elective surgical procedures done recently, with a complication rate estimated to be less than 1%. The majority of people concur that treating vision issues with laser eye surgery (LASIK) is a secure and effective option. Over time, improvements in both surgical methods and technology have greatly raised LASIK’s safety rating. Here are some key points regarding the safety of LASIK surgery:
- FDA Approval: LASIK has been approved by the FDA since the 1990s, and millions of procedures have been performed worldwide with a high success rate.
- Success Rate: Research indicates that more than 95% of LASIK patients obtain 20/40 vision or better, and the great majority are happy with their outcomes.
- Minimally Invasive: LASIK is a minimally invasive procedure that typically involves little to no pain and a quick recovery time. Within a few days, the majority of patients resume their regular activities.
- Low Risk of Complications: Serious complications from LASIK are rare. The most common side effects, such as dry eyes and night-time glare, are usually temporary and manageable.
Understanding the Risks and complications
While LASIK is generally safe, it’s important to be aware of the potential risks and side effects.
Common Side Effects:
- Glare and Halos: Night time glare and halos around lights can occur but typically diminish over time.
- Dry Eyes: Following surgery, some individuals may have dry eyes for a few weeks or months. Artificial tears are frequently able to help with this.
- Fluctuating Vision: Vision may fluctuate for a few days to weeks as the eyes heal.
Serious Complications (Rare):
- Infection: Though rare, infections can occur and need immediate treatment.
- Under- or Over-Correction: Some patients may still need glasses or contacts if their vision isn’t fully corrected.
- Flap Issues: Problems with the corneal flap, such as wrinkles, can affect vision but are uncommon and often treatable.
To minimize risks, patients should follow all pre- and post-operative instructions provided by their surgeon and attend all follow-up appointments to monitor healing progress.
Recovery and Aftercare
Following your doctor’s recommendations after surgery is essential to a speedy recovery and the best possible outcome.
Immediate Aftercare:
- Rest: Arrange to spend the rest of the day in bed. Steer clear of anything that could strain your eyes.
- Follow-Up Visits: Keep track of your recovery process by attending all planned follow-up appointments.
- Protect Your Eyes: Use the provided eye shield to protect your eyes from accidental rubbing while you sleep.
Long-Term Aftercare:
- Avoid Eye Makeup: Avoid wearing eye makeup for at least a week after surgery.
- No Swimming: To avoid infection, avoid using hot tubs, pools, and natural bodies of water for at least two weeks.
- Avoid High-Impact Activities: Refrain from activities that could result in eye injury for at least a month.
Benefits of LASIK Surgery
LASIK surgery offers numerous benefits, making it a popular choice for vision correction:
- Quick Results: Most patients experience improved vision immediately or within a day after surgery.
- Minimal Pain: Most patients report only mild discomfort both during and after the surgery, making the process practically painless.
- Quick Recovery: Most patients return to their regular activities in a matter of days after a brief period of recuperation.
- Long-Lasting Results: LASIK provides permanent vision correction for the vast majority of patients.
- Reduced Dependence on Glasses and Contacts: Many patients achieve 20/20 vision or better, significantly reducing their need for corrective lenses.
Conclusion
Thousands of lives have been improved as a result of LASIK surgery, which offers a rapid, safe, and efficient cure for problems with vision. If you’re considering LASIK, it’s important to have a thorough understanding of the procedure, including how it works, what to expect during and after surgery, and the potential risks and benefits. LASIK surgery can be a life-changing experience, granting the ability to view the world without the limitations of contact lenses or glasses.
For more information on LASIK surgery schedule a consultation with a trusted eye care professional today.