Laser Vision Correction
What is Laser Vision Correction?
Laser vision correction includes several advanced procedures designed to correct common refractive errors like nearsightedness, farsightedness, and astigmatism. These treatments are minimally invasive and reshape the cornea using precise laser technology.
Laser vision correction refers to surgical procedures that alter the shape of the cornea, the eye’s clear front surface, to improve how light rays focus on the retina. This adjustment corrects refractive errors, resulting in enhanced unaided visual clarity.
During the procedure, a computer-guided excimer laser removes microscopic amounts of corneal tissue in a carefully planned pattern. This changes the cornea’s curvature, allowing light to focus more accurately. The entire treatment uses numbing eye drops for comfort and usually lasts less than 15 minutes for both eyes.
The main types of laser vision correction each have unique benefits, and your surgeon will recommend the best one for your eyes.
- LASIK: Involves creating a thin, hinged corneal flap that is lifted to allow laser reshaping of the underlying tissue.
- PRK (Photorefractive Keratectomy): The cornea’s outer layer is gently removed before laser treatment, with the layer regenerating naturally after surgery.
- SMILE (Small Incision Lenticule Extraction): A small piece of tissue is created inside the cornea and removed through a tiny incision, reshaping the cornea with minimal disruption.
- LASEK: A variation of PRK where the outer layer is preserved as a flap and replaced after laser treatment, which can reduce discomfort compared to PRK.
Benefits and Success Rates
Laser vision correction offers rapid visual recovery, exceptionally high success rates, and significant improvements in quality of life. Advances in technology continue to enhance the safety and accuracy of these procedures.
Patients often experience substantial freedom from corrective lenses, making daily activities like driving, reading, and sports easier and more enjoyable. This newfound visual freedom can promote greater confidence, convenience, and even new career opportunities.
Clinical studies report that 90% to 98% of patients achieve 20/20 vision or better. Modern lasers with custom wavefront-guided technology tailor the treatment to your individual eye, which helps minimize side effects and improve visual outcomes.
For most patients, vision remains stable for many years following the procedure. Natural aging of the eye can still occur, and a minor touch-up, or enhancement, may be an option later in life if needed.
Who Is a Candidate?
While laser vision correction is highly effective, it is not suitable for everyone. A comprehensive eye evaluation is required to ensure the procedure is a safe and effective option for your individual needs.
Candidates are typically 18 years of age or older and must have a stable glasses or contact lens prescription for at least one year. This ensures that the results of the procedure will be consistent and long-lasting.
Good overall eye health is essential for a safe outcome. Conditions like severe dry eye, keratoconus, untreated cataracts, or glaucoma may need to be managed before surgery or may mean an alternative vision correction solution is better for you.
Your daily activities, occupation, and visual demands are all considered. Systemic conditions such as autoimmune diseases or uncontrolled diabetes can affect healing and will be discussed during your consultation to determine your candidacy.
The Procedure and Recovery
Knowing what to expect before, during, and after laser vision correction helps patients feel prepared and experience a smoother recovery. Your care team will guide you through every step of this simple process.
You will have an in-depth preoperative assessment that includes precise measurements of your eyes. To ensure accuracy, you must stop wearing contact lenses for a period before this evaluation to allow your cornea to return to its natural shape.
You will recline comfortably under the laser while numbing drops are applied to your eye. You will be asked to focus on a target light as the laser gently reshapes your cornea, a process that typically takes less than a minute per eye.
Vision is often clearer within 24 hours. You may experience mild irritation or a gritty sensation, which usually resolves quickly. Following all post-operative instructions, such as using eye drops and wearing protective shields while sleeping, is crucial for a smooth recovery.
Risks and Side Effects
While laser vision correction is overwhelmingly safe, it is a surgical procedure and carries potential risks and side effects. Most of these are mild, temporary, and resolve as your eyes heal.
Temporary dry eyes, glare, starbursts, or halos around lights are common in the first few weeks or months after surgery. These symptoms typically improve over time, and using lubricating eye drops can help manage any discomfort.
Serious complications like infection, significant under- or over-correction, or corneal weakening (ectasia) are very uncommon. Choosing an experienced surgeon and following all aftercare instructions helps minimize these risks.
Aftercare and Long-Term Outlook
Following postoperative instructions and attending all follow-up visits is essential for achieving the best possible vision. Proper long-term care will help you maintain the health of your eyes for years to come.
Follow-up appointments are typically scheduled for the day after surgery, one week later, and at several other points in the first year. These visits allow your doctor to monitor your healing, measure your vision, and address any concerns.
Caring for your eyes after surgery is simple. Key steps include using prescribed eye drops, avoiding rubbing your eyes, and wearing sunglasses with UV protection when outdoors to protect your eyes from sun damage.
FAQs
Here are answers to some of the most common questions about laser vision correction to help you make an informed decision.
Your eye care team will provide specific instructions, but general guidelines are important for a safe and successful procedure.
- Stop wearing soft contact lenses 1–2 weeks before your evaluation and rigid lenses 3–4 weeks before.
- Arrange for someone to drive you home, as you cannot drive yourself on the day of the procedure.
- Avoid makeup, lotions, and perfumes on the day of your surgery to reduce the risk of infection.
Each technique reshapes the cornea differently, which affects recovery time and who is a good candidate for the procedure.
- LASIK creates a corneal flap for very fast visual recovery and is the most common procedure.
- PRK is a no-flap option that is often recommended for patients with thinner corneas, though it has a slightly longer recovery period.
- SMILE uses a small incision instead of a flap, which may reduce post-operative dry eye symptoms.
No. Numbing eye drops make the procedure comfortable. Most patients report feeling only mild pressure on the eye for a few seconds, with no pain.
The goal of surgery is to dramatically reduce your dependence on glasses. While most people no longer need glasses for daily activities, some may still need them for specific tasks like reading fine print or driving at night.
The changes made to the cornea are permanent. However, your vision can still change over time due to natural aging processes, such as the need for reading glasses (presbyopia) or the development of cataracts later in life.
Most patients can return to work and other sedentary activities within a day or two. You should avoid strenuous exercise, swimming, and contact sports for at least one week, or as advised by your doctor.
Most insurance plans consider laser vision correction to be an elective procedure and do not cover the cost. However, you can often use funds from a Flexible Spending Account (FSA) or Health Savings Account (HSA) to pay for it.
Having dry eyes does not automatically disqualify you, but the condition must be well-managed before surgery. Treating dry eye beforehand improves comfort and leads to better visual outcomes after the procedure.
Next Steps
Choosing laser vision correction is a significant decision toward clearer vision. To find out if you are a candidate and determine the best treatment for your eyes, schedule a comprehensive eye exam and consultation with our expert team.