Lasik Surgery
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What is LASIK
Understanding About
LASIK
LASIK is a commonly performed laser refractive surgery aimed at correcting vision problems such as nearsightedness, farsightedness, and astigmatism. During the procedure, a special cutting laser is used to reshape the cornea, which is the clear, dome-shaped tissue at the front of the eye.
Normally, the cornea refracts light precisely onto the retina at the back of the eye, enabling clear vision. However, in cases of vision problems, such as nearsightedness, farsightedness, or astigmatism, the light is bent incorrectly, leading to blurred vision.
LASIK surgery corrects this by reshaping the cornea to improve the refraction of light onto the retina, thus providing clearer vision without the need for glasses or contact lenses.
Symptoms
Treatments
Precautions
Symptoms
LASIK eye surgery symptoms include
- Dry Eyes: LASIK may cause temporary dryness in the eyes for up to six months after the surgery, causing discomfort and affecting vision quality.
- Visual Problems: Temporary issues like glare, halos, increased light sensitivity, and double vision can occur post-surgery, especially during nighttime and in dimly lit environments.
- Under Corrections and Over Corrections: Sometimes, the laser may remove too little or too much tissue, resulting in vision under corrections or overcorrections, particularly common in nearsighted individuals.
- Astigmatism: Uneven tissue removal can cause or worsen astigmatism, requiring additional treatment like glasses or contact lenses.
- Flap Complications: Problems with the corneal flap, such as infection or abnormal tissue growth, may arise.
- Corneal Ectasia: A serious complication involving corneal thinning and bulging can occur, leading to vision deterioration.
- Regression: Vision may regress towards the original prescription post-surgery.
- Vision Loss or Changes: Rarely, surgical complications can result in vision loss or changes in visual acuity.
Treatments
Treatments for LASIK
- Dry Eyes Management: Eye drops or other measures alleviate discomfort from temporary dry eyes post-surgery. Severe cases may require tear drain plugs or medicated eye drops.
- Correction of Visual Problems: Glare, halos, and double vision can be managed with medication or further surgery if needed.
- Addressing Tissue Removal Issues: Under Corrections or overcorrections may necessitate additional LASIK procedures to achieve the desired correction.
- Astigmatism Treatment: Astigmatism resulting from uneven tissue removal can be corrected with further surgery, glasses, or contact lenses.
- Management of Flap Complications: Complications like infection or abnormal tissue growth may require medication or additional surgery.
- Corneal Ectasia Management: Treatments aim to stabilize the cornea and improve vision in cases of corneal thinning and bulging.
- Regression Management: Monitoring and further interventions address vision returning to pre-surgery levels over time.
- Vision Loss or Changes: Rare complications may require prompt medical attention and specialized treatments.
Precautions
Precautions for LASIK eye surgery
- Risk Awareness: Understand potential complications like dry eyes or overcorrections, typically temporary.
- Medical Evaluation: Undergo a thorough assessment by an eye doctor to assess candidacy and identify risks.
- Manage Health Conditions: Certain conditions like autoimmune disorders may disqualify candidates due to higher risks.
- Stop Contact Lenses: Discontinue contact lens use weeks before surgery for accurate corneal measurements and reduced complications.
- Procedure Understanding: Be informed about LASIK, including risks, side effects, and expected outcomes.
- Follow-Up Care: Adhere to post-op instructions, attend appointments, and report any vision changes promptly.
- Avoid Irritants: Refrain from using eye makeup or creams before surgery to minimize infection risk.
- Financial Planning: Recognize that LASIK is usually not covered by insurance and budget accordingly.
Types of LASIK
Different Types of
LASIK
Before Surgery
During the Surgery
After the Surgery
Before Surgery
How you prepare for LASIK eye Surgery
- Know the Cost: Understand that LASIK surgery is typically considered elective, so insurance may not cover it. Be prepared for out-of-pocket expenses.
- Arrange Transportation: Organize a ride to and from the surgery location, as you may experience blurred vision and the effects of medication immediately afterward.
- Avoid Eye Makeup: Refrain from using eye makeup, creams, perfumes, or lotions on the day before and the day of surgery to reduce the risk of infection.
- Contact Lens Use: If you wear contact lenses, discontinue use for at least a few weeks before the evaluation and surgery, as they can alter the shape of your cornea. Follow your eye doctor’s specific guidelines.
During the Surgery
How you prepare for LASIK eye Surgery
- Arrive Prepared: Arrange transportation to and from the surgery center as you may be unable to drive afterward due to medication effects.
- Avoid Eye Makeup and Lotions: Refrain from using eye makeup, creams, or lotions on the day before and of surgery to reduce infection risk.
- Follow Pre-Surgery Instructions: Stop wearing contact lenses and switch to glasses as advised by your doctor before evaluation and surgery.
- Understand the Procedure: Discuss risks, benefits, and what to expect with your doctor, including potential complications.
- Be Mentally Prepared: Surgery is usually brief, but mentally prepare for it; your doctor may provide relaxation medication.
- Cooperate During the Procedure: Follow your doctor’s instructions carefully, especially focusing on a point of light during surgery.
After the Surgery
How you prepare for LASIK eye Surgery
- Immediate post-surgery effects: itching, burning, blurred vision
- Pain medication or eye drops may be provided for comfort
- Wearing a shield at night may be recommended
- Vision recovery: improvement usually within days, full stabilization in 2 to 3 months
- Essential follow-up appointments: 1 to 2 days post-surgery and regularly for six months
- Resuming activities, including cosmetics and strenuous tasks, may take a few weeks
- Follow doctor’s advice for smoother recovery and optimal outcomes
Our Doctors
Meet Our Experts
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Dr. Kasu Prasad Reddy
M.B, D.O, MRCOphthCheif Cataract & Refractive Surgeon
Somajiguda
,
Telangana
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Dr. P. Muralidhar Rao
MBBS, M.S, FIVRSr. Vitreo Retinal Surgeon
Somajiguda
,
Telangana
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Dr. Anitha C Kamarthy
MBBS, M.SSr. Cataract & Glaucoma Surgeon
Somajiguda
,
Telangana
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Dr. B M Anil Kumar
MBBS, D.O, FLVPEI, MBASr. Glaucoma Consultant
Somajiguda
,
Telangana
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Dr. Vamshidhar
MBBS, DNB, FICO ( UK)Sr. Cataract & Refractive Surgeon
Somajiguda
,
Telangana
LASIK eye Surgery FAQS
LASIK
FAQS
How much does LASIK cost?
The FDA regulates the safety and effectiveness of medical devices for their intended use. The FDA does not regulate the marketing of or any fees associated with the use of that product. Again, you may want to go to your library and see if there is a local community services magazine that may provide comparison information of services for doctors in your area.
If the laser I am interested in has not yet been approved for a particular indication, how can I find out when it will be approved?
Confidentiality restrictions prohibit FDA from commenting on the status of a device under regulatory review, but you can try asking the laser company for this information.
Which laser is the best for treating my refractive error?
FDA does not provide comparisons between refractive lasers. FDA approves the safety and effectiveness of a device independent of any other product. However, you are encouraged to review the approval documents to assess the capabilities of specific laser systems and make your own comparisons. The approval number for each laser on the FDA-Approved Lasers page is linked to these documents, which provide additional, detailed information about the clinical trial results and indications for use. Discuss any concerns you may have with your doctor.
How does wavefront LASIK compare to conventional LASIK?
Wavefront adds an automatic measurement of more subtle distortions (called higher order aberrations) than just nearsightedness, farsightedness, and astigmatism corrected by conventional LASIK. However, these “higher order aberrations” account for only a small amount (probably no more than 10%) of the total refractive error of the average person’s eye. Conventional LASIK increases higher order aberrations. Although wavefront-guided treatments attempt to eliminate higher order aberrations, results from the clinical studies have shown that the average aberrations still increase, but less than they do after conventional LASIK. In a few studies comparing wavefront-guided LASIK to conventional LASIK, a slightly larger percentage of subjects treated with wavefront LASIK achieved 20/20 vision without glasses or contact lenses compared to subjects treated with conventional LASIK.
What percentage of patients attain 20/20 vision or better without glasses or contacts?
Data in the Approval Orders and related documents summarizes the outcomes from the clinical trials submitted to the FDA for each approved device.
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