A Detailed Insight on Advanced Wavefront Lasik Surgery

Custom Lasik, also known as wavefront LASIK, is an advanced form of lasik surgery that can produce sharper vision than traditional, non-wavefront LASIK. To recognize the importance of custom LASIK, it's vital to know that every eye is unique and that the human eye is not an ideal optical system. Most patients are aware of three vision problems, i.e. farsightedness, nearsightedness and astigmatism. However, nearly, every eye also has subtle optical errors known as higher order aberrations. These have less known, even strange names such as coma, aberration and trefoil. Though, it's predicted that higher order aberrations characteristically account for no more than 10% of the total refractive error of an average eye, these slight eye defects contribute to halos, glare, starbursts and other vision problems, particularly in low light situations, such as driving at night.

Higher order aberrations cannot be noticed by the tests carried out in a conventional eye exam. Even if the eye specialist makes use of automated instruments to decide your eyeglasses prescription, it's quite possible that these instruments only measure farsightedness, nearsightedness and astigmatism. Foe detecting and measuring high order aberrations, an advanced technology known as wavefront analysis is required. A wavefront is typically a three dimensional representation of the optical quality of a beam of light. If the optical quality of the light beam is 'ideal', i.e.  it has not been tainted by aberrations in an optical system, the wavefront is flat. When the optical aberrations distort the light beam, the wavefront has a disrupted shape.

Wavefront Guided LASIK

Wavefront guided LASIK, also known as custom LASIK or wavefront LASIK, is same as traditional LASIK, except that in addition to treating a patient's basic refractive error, particular alterations in a patient's eye can also be treated. In this form of treatment, special mapping is carried out before surgery to recognize any small indiscretion in the optical system of the patient. When these indiscretions become severe, they can affect the quality of vision, night vision and contrast sensitivity. When significant indiscretions in a patient's wavefront mapping are noticed, advanced wavefront LASIK surgery India can be used and it will be based on the wavefront map generated. 

Better Night Vision

A recent report released stated the findings of a study that made comparisons between the night driving vision of the patients who underwent custom LASIK with that of the patients who underwent traditional LASIK. The wavefront LASIK that the first group of patients underwent was an all laser process, with the corneal flap built with a femtosecond laser. The conventional LASIK process for the second group of patients was a single laser, traditional procedure, with the corneal flap built with a hand held bladed microkeratome. Vision test was carried out with a night driving simulator which stated that patients who underwent all laser, wavefront guided LASIK scored much better on the night driving simulator tests after surgery than they did before. On average, these people could detect and identify objects from a greater distance after the process than they could while wearing corrective lenses before surgery.

Visual recovery after the custom best lasik eye surgery India is usually the same as the recovery time after LASIK that doesn't involve wavefront technology. Generally, vision steadies within a few weeks after surgey, though it might take longer in some cases. Remember, to carry out this surgery in the best LASIK center in Pune for better results.

Important Tips to Protect Your Eyes from the Sun after Lasik Eye Surgery

Today, LASIK (Laser Assisted in Situ Keratomileusis) is the most commonly carried out laser eye surgery. This surgery is primarily performed to treat myopia (nearsightedness), astigmatism and hyperopia (farsightedness). Similar to other types of refractive surgery, this process reshapes the cornea, so that light can enter the eye and can properly focus onto the retina for a better vision. Experts opine that this surgery, in most cases, is pain free and can be finished within 15 minutes for both eyes. Results include enhanced vision without contact lenses or eyeglasses and are generally seen in as little as 24 hours. There are several vision correction surgeries available such as LASIK and PRK along with Phakic IOL surgery, however, Lasik is most common and popular among people.

Execution of LASIK Surgery

This surgery is performed by an expert or under his guidance. During the procedure, the laser eye surgeon makes use of a microkeratome, which is a mechanical surgical tool or a femtosecond laser to make a thin, circular flap in the cornea. The next step includes the folding back of the hinged flap by the surgeon in order to access the underlying cornea also known as the stroma and taking out some corneal tissue using an excimer laser.

The laser which is highly specialized makes use of a cool ultraviolet light beam to take out the microscopic amounts of tissue from the cornea to reshape it, thus refocusing the light which enters the eye for enhanced vision. Individuals suffering from myopia often aim to flatten the cornea and those suffering from hyperopia aim for a steeper cornea. The excimer lasers are also effective in correcting astigmatism by flattening an irregular cornea into a more normal shape. Many people  have a certain misconception that LASIK cannot treat astigmatism. After the cornea gets reshaped with the laser, the surgeon then puts the flap back in place, and covers the area where the corneal tissue was taken out. The cornea is then left to heal naturally. During this laser eye surgery India, the surgeon administers only topical anesthetic drops as there is no need of stitches or bandages.

Protecting Eyes from Sun after Lasik Eye Surgery

Many people would want to know what's the best way to protect your eyes after laser surgery in India. One of the best ways to recover from the surgery in the long run is to look after your eyes properly. Many experts suggest to wear sunglasses when you are in direct sunlight after the surgery. Doing this, you can prevent the sunlight from coming into contact directly with your eyes, something that's not at all recommended and can damage the cornea while it's healing.

If you don't protect your eyes properly after the surgery, then it can lead to Photokeratisis on a short term basis. In this you can feel like having sand or grit in the eye and can be quite painful. You can have it cleared easily by putting eye drops, however, more severe diseases such as macular degeneration and cataracts can occur in the long term if eyes aren't taken care of properly. Thus, experts  suggest to wear quality sunglasses that offer good protection when one goes outdoors. Best Lasik eye surgery India clinics suggest wearing sunglasses carrying the 'CE' mark so that the patient can protect the eyes properly after the surgery.

How to find best Lasik eye surgeon in India?

Lasik (laser assisted in-situ keratomileusis) surgery is mainly an operation that is performed to correct nearsightedness by using laser light. The cornea is the transparent film in the front of the eye that lies just in front of the colored part, i.e. the iris. The cornea let’s light to enter the eye and also bends it and focuses it at the back of the eye which is the photosensitive area known as the retina. If the shape of the cornea has some problem, then the light focuses in front of and not precisely on the retina and this doesn't let you to see the objects clearly that are away from you. In this type of operation, the cornea is appropriately reshaped by the laser to let the light to focus on the retina. This operation is mainly carried on individuals with mild, moderate or severe myopia.

Alternative for Lasik

This is a complete elective procedure that is carried out to help you to get rid of the inconvenience of wearing glasses or contact lenses. If you are apprehensive of having this surgery then you must have a very detailed discussion with your ophthalmologist before you decide to have the process.

After the Surgery  

Most patients experience little pain or discomfort after this operation but might have some minor swelling of the eye. The patients could be given some pain killers to control the discomfort. The eyes could also itch or produce tears, so it's important not to rub them. The person can wash, bath or shower normally after the operation, however, one must not get water in the eye for at least a month. After the procedure, the person needs to stop any activity that can shake the eye. One need to avoid contact sports after this procedure for at least 4 to 6 weeks. Plan to take light work in about 2 to 3 weeks and a more heavy job after about 3 to 4 months.

At first, your vision could be blurry for the first few days after the procedure but will improve gradually. It generally takes 3 to 6 months to experience the utmost improvement and stability of your vision. You also need to be extremely careful while driving as your sight could not be as good as you think it's. The best way is to ask the surgeon whether it's good to drive and if in doubt, it's better to avoid it.

Today, with this procedure becoming very popular, best Lasik eye surgery India is carried out at various hospital and clinics. There is also the best Lasik center in Pune, where such procedure is performed day in and day out. With latest technology to its assistance which makes it very less invasive, and the availability of several surgeons, Lasik is definitely here to stay.