A Complete Lasik Surgery Guide With Details Of Process & Possibilities

Are you having trouble with your eyesight and contact lenses? Are your prescription eyeglasses causing uneasiness? If yes, then the LASIK technique is an alternative you can consider. It frees you from the inconvenience of wearing lenses or eyeglasses, and is a cost-effective and uncomplicated procedure with a success rate of 98%, according to medical research. Moreover, it provides an instant and permanent vision correction, unlike eyeglasses or contact lenses. Furthermore, the improved vision betters your personal and professional life. After the surgery, you can take up employment and exercises that were impossible with prescription eyeglasses or lenses. All these reasons and more make LASIK surgery one of the most popular eye surgeries in India, with more than half a million procedures every year. However, if you are still undecided about the surgery, you must read further and learn about the process and possibilities related to the treatment. 

What Is LASIK Treatment? 

LASIK stands for laser-assisted in situ keratomileuses, wherein in situ means in place and ‘keratomileusis’ means reshaping the cornea in medical terms. It is one of the most studied refractive surgeries that involve sculpting the cornea. The US Food and Drug Administration (FDA) approved it for treating refractive errors in 1999. Since then, 96% of all refractive surgeries have been done with the LASIK technique. Furthermore, it is predicted that by 2023 the cases of refractive surgeries done using the LASIK technique will be close to 1.5 million.

According to current reports, roughly 90% of patients who take LASIK surgery acquire a vision of 20/20, which is normal vision and 99% of patients achieve 20/40 vision after LASIK without any eyeglasses or contact lenses. 

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How Does LASIK Process Work? Is it Safe? 

A dome-shaped structure in the eye called the cornea refracts light on the retina to create an image, similar to a camera’s lens that refracts light on a film to create an image. Improper refraction of light causes refractive errors like myopia, hyperopia, and astigmatism. While eyeglasses and contact lenses balance the defects, refractive surgeries like LASIK permanently cure them by reshaping the cornea.

Today, LASIK surgery is one of the safest elective surgical procedures, with a complication rate of less than 1%. It has undergone many changes and checks to come under better and safer laser vision correction procedures performed worldwide. 

What Happens During LASIK Treatment?

LASIK is a simple and safe outpatient surgery that does not last for more than 30 minutes. An ophthalmologist starts by numbing the eyes using eye drops. During the surgery, patients don’t report any pain. However, slight pressure might be felt. The doctor uses a programmed laser to create a flap in the superficial layer of the cornea and reshape the cornea by downsizing corneal tissue with a superior cutting Excimer laser. In the end, the flap is reposited. It starts to heal within 2 to 3 minutes, and the patient is discharged with medication. 

What Are The Conditions That Do Not Suit LASIK?

The safety statistic for LASIK surgery is significantly high. However, it is not for patients below 25 or pregnant. LASIK is not recommended if there is a case of eye infection, degenerating eye disease, or unstable vision. Conditions like depression, diabetes, autoimmune disorders, and chronic pain do not qualify for LASIK.

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Furthermore, if the vision conditions are not within an acceptable range, then LASIK is not recommended. According to FDA, LASIK is suited for up to +6.00 diopters of hypermetropia, -12 diopters of myopia, and 6.00 diopters of astigmatism. Besides, the corneal thickness should be between 540 µm and 560 µm for LASIK. 

What Are The Risks Associated With The LASIK Treatment?

LASIK surgery is proven to be a safe laser eye correction treatment. According to FDA, the complication rates are merely 5%. The issues that patients mostly report are:

  • Dryness or infection in the eyes for the initial few months.
  • Light sensitivity.
  • Double vision that usually lasts for a few weeks after the surgery.

Serious complications are caused due to uneven corneal reshaping, under-correction, or overcorrection by the ophthalmologist in whom clear vision is not attained. Amongst the rare complications are regression in which the imperfect condition reappears and loss or changes in the vision. However, according to medical statists, merely 0.3% of patients have reported such severe issues after the surgery. 


The safety and efficacy of laser eye treatment are verified. However, it is upon us to optimize the success of the result by understanding the course of the treatment and examining the surgeon’s qualification and experience, the accreditation, and affiliations of the hospital. The most crucial step would be to follow the pre and post-operative guidelines and regular follow-ups with the surgeon.

By john wick

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