LASIK – A Comprehensive Guide to Laser Vision Correction
LASIK (Laser-Assisted In Situ Keratomileusis) is a revolutionary eye surgery that has transformed the way we correct vision problems. Since its introduction in the 1990s, LASIK has become one of the most popular and effective procedures for correcting refractive errors such as nearsightedness (myopia), farsightedness (hyperopia), and astigmatism.
In this article, the ophthalmologists at the Eye center in Modesto, CA will explore LASIK to help you make informed decisions.
What is LASIK?
LASIK is a type of refractive surgery that uses an excimer laser to reshape the cornea, the clear dome-shaped surface at the front of the eye. The procedure involves creating a thin flap in the cornea, which is then lifted and reshaped using the excimer laser. The flap is replaced, and the cornea is allowed to heal naturally.
Who is a candidate for LASIK?
To be a candidate for LASIK, you must:
- Be at least 18 years old
- Have a stable prescription
- Have a healthy cornea
- Not be pregnant or breastfeeding
- Not have certain medical conditions
How does LASIK work?
LASIK (Laser-Assisted In Situ Keratomileusis) works by reshaping the cornea, the clear dome-shaped surface at the front of the eye, to improve vision and correct refractive errors.
Here’s a step-by-step explanation:
- Preparation: The eye is numbed with drops or a local anesthetic.
- Creation of the flap: A microkeratome or femtosecond laser creates a thin flap in the cornea.
- Lifting the flap: The flap is gently lifted and folded back.
- Laser treatment: The excimer laser reshapes the underlying corneal tissue.
- Reshaping the cornea: The laser removes microscopic amounts of tissue, reshaping the cornea to improve its focusing power.
- Repositioning the flap: The flap is replaced, and the cornea is allowed to heal naturally.
How does LASIK correct refractive errors?
- Nearsightedness (myopia): The laser flattens the cornea to reduce its focusing power.
- Farsightedness (hyperopia): The laser steepens the cornea to increase its focusing power.
- Astigmatism: The laser reshapes the cornea to improve its irregular curvature.
By reshaping the cornea, LASIK improves the way the eye focuses light, resulting in clearer vision and reduced dependence on glasses or contact lenses.
What to expect during the recovery process?
Here is a concise list of the recovery process post-LASIK:
Immediate Post-Operative (24-48 hours)
- Rest
- Use prescribed eye drops
- Avoid rubbing or touching the eye
- Wear an eye shield
First Few Days (2-4 days)
- Blurred vision
- Mild discomfort
- Continue eye drops
- Avoid reading, TV, or digital devices
First Few Weeks (1-4 weeks)
- Gradual vision improvement
- Continue eye drops
- Avoid strenuous activities
- Avoid swimming or hot tubs
Post-Operative Care
- Use prescribed eye drops
- Avoid rubbing or touching the eye
- Wear sunglasses
- Attend follow-up appointments
What are the benefits of LASIK?
Here is a concise list of the benefits of LASIK:
- Improved vision: Significantly improved vision, reducing dependence on glasses or contact lenses
- Quick recovery: Rapid recovery, with most patients seeing improvement within a few days
- Minimally invasive: Relatively painless procedure with minimal discomfort
- High success rate: High success rate, with most patients achieving 20/20 vision or better
- Reduced eye irritation: Reduced eye irritation and discomfort associated with contact lenses
- Wide range of correction: Can correct a wide range of refractive errors, including nearsightedness, farsightedness, and astigmatism
- Long-term results: Long-term results, with most patients experiencing permanent vision correction
- Reduced dependence on glasses: Reduced dependence on glasses or contact lenses for daily activities
- Improved quality of life: Improved quality of life, with increased freedom and confidence.
Bottom line
LASIK is a life-changing procedure that has transformed the way we correct vision problems. With its numerous benefits and high success rate, LASIK has become a popular choice for those seeking to improve their vision. If you’re considering LASIK, consult with an experienced eye surgeon to determine if this innovative procedure is right for you.