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What Is Refractive Surgery?
Refractive surgery includes advanced procedures designed to correct vision by improving the eye’s focusing ability. By reshaping the cornea or implanting a corrective lens, these treatments help light focus properly on the retina—reducing or eliminating the need for glasses or contact lenses.
LASIK (Laser-Assisted In Situ Keratomileusis): A thin corneal flap is created using a femtosecond… Read More
PRK (Photorefractive Keratectomy): In PRK, the thin outer layer of the cornea (epithelium) is… Read More
SMILE (Small Incision Lenticule Extraction): SMILE is a minimally invasive, flap-free procedure. A… Read More
LASEK (Laser Epithelial Keratomileusis) : In LASEK, an alcohol solution is used to gently loosen… Read More
Refractive Lens Exchange (RLE): RLE involves replacing the eye’s natural lens with an advanced… Read More
Phakic Intraocular Lenses (Phakic IOLs): A corrective lens is implanted inside the eye without… Read More
Stable prescription: Power should be stable for at least 12 months.
Minimum age: Generally 18 years or older for laser procedures.
Good ocular health: No active infections, uncontrolled glaucoma, or advanced retinal disease.
Sufficient corneal thickness: Thin corneas may limit LASIK but allow alternatives like PRK or Phakic IOLs.
Manageable dry eye : Treatable dry eye should be controlled before surgery.
Overall health: Certain systemic conditions or medications may affect healing and candidacy.
Myopia (Nearsightedness): Blurred distance vision corrected by reshaping the cornea or implanting a lens.
Hyperopia (Farsightedness): Difficulty with near vision corrected by adjusting corneal curvature or lens power.
Astigmatism: Irregular corneal shape causing distorted vision, corrected by targeted corneal reshaping or toric lenses.
Presbyopia: Age-related near-vision loss; options include RLE (multifocal/EDOF lenses) or monovision strategies.
Why Choose ASG
At ASG Eye Hospital, we combine clinical expertise with advanced technology to deliver safe, precise, and predictable outcomes. Our experienced refractive surgeons provide individualized treatment planning based on your eye anatomy, lifestyle, and visual goals.
From your first consultation through long-term follow-up, our team ensures compassionate care and close monitoring for optimal results.
Advanced Technology for
Safer, Smarter Care
Corneal Topography & Tomography
for detailed corneal maps
Wavefront Aberrometry
Personalized higher-order vision correction
Femtosecond Laser
Bladeless flap creation and precision incisions
Excimer Laser Platforms
Accurate corneal reshaping
SMILE-capable Laser Systems
Minimally invasive lenticule extraction
Topography-Guided Systems (e.g., Contoura)
Customized treatment planning
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Clear Answers for Better Vision
What is refractive surgery?
Refractive surgery refers to a group of surgical procedures used to correct vision problems such as nearsightedness (myopia), farsightedness (hyperopia), and astigmatism. These procedures reshape the cornea so that light can focus properly on the retina, reducing or eliminating the need for glasses or contact lenses.
What are the different types of vision correction surgeries available at ASG?
We offer the full spectrum of modern refractive technologies, including:
LASIK: The most common laser procedure for vision correction.
SMILE (Small Incision Lenticule Extraction): A flapless, minimally invasive procedure.
Contoura Vision: Topography-guided LASIK that provides superior visual sharpness.
ICL (Implantable Collamer Lens): A permanent lens implant for those not suitable for laser surgery.
Am I a candidate for LASIK?
Most people over the age of 18 with a stable glass prescription for at least one year are candidates. However, your cornea must be thick enough and your eyes must be generally healthy. We perform a comprehensive Pre-LASIK Workup to determine the safest procedure for your specific eye structure.
What is the difference between LASIK and SMILE?
While both use lasers, LASIK involves creating a thin “flap” on the cornea. SMILE is a “flapless” procedure that uses a much smaller incision. SMILE is often preferred for patients with dry eyes or those involved in contact sports, as it preserves more corneal stability.
What is Contoura Vision, and why is it better?
Contoura Vision is the latest advancement in laser eye surgery. Unlike standard LASIK, which only corrects your prescription, Contoura maps 22,000 unique elevation points on your cornea. This allows the laser to smooth out microscopic irregularities, often resulting in vision that is better than 6/6 (better than what you had with glasses).
Is the procedure painful?
No. Refractive surgeries are virtually painless. We use numbing eye drops so you won’t feel anything during the procedure. You might feel a slight sensation of pressure for a few seconds, but the actual laser treatment usually takes less than 1 minute per eye.
How long does the surgery take, and when can I see clearly?
The entire process takes about 10–15 minutes for both eyes. Most patients notice a significant improvement in vision immediately. You can usually return to work and drive within 24 to 48 hours after LASIK or SMILE.
Are the results of laser eye surgery permanent?
Yes, the changes made to the cornea are permanent. However, it’s important to note that laser surgery cannot prevent age-related changes like Presbyopia (the need for reading glasses after age 40), which affects the eye’s internal lens rather than the cornea.
What happens if my cornea is too thin for LASIK?
At ASG, we specialize in ICL (Implantable Collamer Lens) for patients with high prescriptions or thin corneas. An ICL is a tiny, biocompatible lens placed inside the eye. It provides high-definition vision and can be removed if necessary, making it an excellent alternative for those rejected for LASIK.
Why should I choose ASG Eye Hospital for my vision correction?
ASG is equipped with the world’s most advanced laser platforms. Our surgeons are pioneers in refractive surgery, and our personalized approach ensures that you receive the specific technology (LASIK, SMILE, or Contoura) that is safest and most effective for your unique eyes.
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