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Understanding Astigmatism: What Causes Blurry Vision?
Astigmatism is a common refractive error caused by an irregularly shaped cornea or lens. Instead of being round like a basketball, the eye’s surface is shaped more like a football, which leads to distorted or blurred vision at all distances. It can occur alongside nearsightedness or farsightedness and often results in symptoms like eye strain, headaches, and squinting. While glasses and contact lenses can correct this condition, many people seek long-term solutions like LASIK for more permanent relief.
How LASIK Works
LASIK (Laser-Assisted In Situ Keratomileusis) reshapes the cornea using a precision laser to improve how light focuses on the retina. The procedure involves creating a thin flap in the cornea, lifting it, and then using an excimer laser to reshape the underlying tissue. The flap is then placed back into position to heal naturally. LASIK is a fast, outpatient procedure with minimal discomfort and offers a good success rate.
Is LASIK Effective for Astigmatism?
Yes, LASIK can be highly effective in correcting astigmatism. The laser reshapes the cornea to create a more symmetrical curvature, which helps light focus more accurately on the retina. Mild to moderate astigmatism typically responds very well to LASIK, reducing or eliminating the need for corrective lenses. However, outcomes depend on individual eye health, the degree of astigmatism, and the expertise of the surgeon. A thorough pre-surgical eye exam will determine whether LASIK is a suitable option for your specific condition.
Who is an Ideal Candidate for LASIK?
Not everyone with astigmatism is an ideal candidate for LASIK. The best candidates are:
- Over 18 years old
- Have a stable prescription for at least one year
- Are in good general and ocular health
- Have corneas thick enough for reshaping
Pregnant or nursing women and individuals with certain autoimmune conditions may need to wait or consider alternatives. A comprehensive screening with a certified ophthalmologist is the best way to determine your eligibility for this procedure.
Benefits of Choosing LASIK for Astigmatism
Choosing LASIK for astigmatism offers several advantages:
- Quick improvement in vision
- Minimal recovery time
- Reduced or eliminated dependence on glasses or contacts
- Long-term cost savings over corrective lenses
- High patient satisfaction and success rates
Many individuals also report improved night vision and better performance in daily activities.
Mumbai has become a leading destination for advanced eye care and laser vision correction. With top ophthalmologists, modern clinics, and adherence to international medical standards, the city offers exceptional care to residents. If you’re exploring your options, the Best LASIK surgery in Mumbai provides precision treatment with a personalized approach.
Possible Risks and Side Effects
While LASIK is generally safe, it’s not without potential risks. Some patients may experience:
- Dry eyes
- Glare or halos at night
- Fluctuating vision during the healing phase
- Rare complications like infection or undercorrection
Most side effects are temporary and manageable with post-op care and follow-up visits.
Recovery and Post-surgery Expectations
Recovery from LASIK is typically quick. Most people notice improved vision within 24 to 48 hours, though full stabilization may take a few weeks. During this period:
- Avoid rubbing your eyes
- Use prescribed eye drops
- Limit exposure to dust and screens
- Attend all follow-up appointments
Patients are usually able to return to work and daily activities within a few days.
LASIK vs Other Vision Correction Options
While LASIK is popular, it’s not the only solution for astigmatism. Alternatives include:
- PRK (Photorefractive Keratectomy): Suitable for those with thinner corneas
- LASEK: A modified version of PRK
- Toric IOLs: For those undergoing cataract surgery
- Orthokeratology: Specialized contact lenses worn overnight
Each method has its pros and cons. Consulting a specialist helps determine the most effective choice based on your eye health.
Success Rates and Long-term Outcomes
LASIK boasts a high success rate, especially in treating mild to moderate astigmatism. Studies show that over 90% of patients achieve 20/20 vision or better. Long-term outcomes are typically stable, though natural changes in vision due to aging may still occur. Many patients enjoy years, even decades, of improved eyesight after a single procedure. Regular eye exams and good eye care practices help maintain the results after LASIK.
