The Bladeless LASIK option utilizes a PRECISE , HIGH-ENERGY femtosecond laser instead of a microkeratome to create the flap of corneal tissue. The femtosecond laser we use is the ZEISS VisuMax, which is one of the most advanced recent lasers today. America's National Aeronautics and Space Administration (NASA) approves pilots and astronauts who have undergone Femto or Bladeless LASIK.
Since the VisuMax Femtosecond laser is able to create precise corneal flaps, some patients who were previously not a candidate for LASIK due to thin corneas, are now benefiting from the procedure.
This procedure makes Laser eye surgery safer than ever by replacing the blade commonly used for corneal flap creation with a laser, a more precise process.
How does bladeless LASIK visual outcome compare with those of traditional LASIK?
Creates fewer high-and-low-order aberrations, thought to be associated with glare and halos at night.
Patients have a reduced incidence of post-operative dry eye symptoms.
Patients require fewer enhancement procedures following LASIK.
The precision of the bladeless LASIK flap significantly reduces the incidence of post-operative induced astigmatism, as compared with a traditional LASIK flap.
It can be done above 18 yrs and if the patient has stable spectacle number for past 2 years. Also, preferably under age 40 years.
Understanding Blade Lasik, Femto Lasik and Relex Smile Technology
PRK was the first generation eye surgery using laser. Currently second generation LASIK is widely used. SECOND GENERATION LASIK is of two types, low cost blade LASIK and more advanced Bladeless Femto lasik .
Relex SMILE is latest and third generation laser eye correction treatment. We will guide you about difference between lasik techniques to help you choosing among second and third generation techniques.
Regular Blade LASIK is a two-step procedure. First, the surgeon creates a small flap in the cornea using microkeratome blade to prepare the eye for the next step, the vision correction.
Femtolasik is a similar procedure like regular blade LASIK but it uses lasers only instead of blade. FemtoLasik is also called bladeless LASIK.
In bladeless LASIK you have the options Like standard Femto LASIK (common for all) and customized or zypoterix LASIK. In customised LASIK wavefront guided treatment is done.
which help guide lasers as per individual patient eye, resulting in better results in many patients.
In ReLex smile the two steps are different. The first step is to create a “lenticule” . In ReLEx SMILE, a corneal lenticule is cut with a femto second laser and then removed via a small incision. ReLEX SMILE was born was to address the complication of LASIK which is corneal ectasia and some other possible complications due to flap dislocation. Hence the answer came with the flapless method using ReLEX smile for vision correction.
Relex smile has some advantages over LASIK Surgery.
Advantages and Disadvantages of Regular femto Lasik
Cost of femto LASIK in iran start from $500 (for one eye) depending on the city and institute. Some places cost of femto Lasik is more .
If the thickness of the cornea is healthy, usually at least 500 microns thick, regular blade LASIK will be sufficient because of low cost.
How much does femto lasik cost in different countries?
Femto lasik cost in India start from :
Femto lasik cost in Uk start from :
Femto lasik cost in Canada start from :
Femto lasik cost in USA start from :
Femto lasik cost in south Africa start from :
Femto lasik cost in Ghennai start from :
Femto lasik cost in Iran start from :
Regular femto (Blade) LASIK offer no additional advantage over Femto LASIK and Relex Smile except easy availability and low cost.
However if eye have low strength cornea or some complication and doctors advice for more advanced procedure go for femto LASIK or Relex Smile.
Some examples where regular femto LASIK is not advised are
• Thin corneas (average is 480-550 microns thick)
• Very steep or flat corneal shape (normal range is 41-46 D)
• Large amount of nearsightedness
• Dry eyes and contact lens intolerance
• Patient is involved or intend to involve in physical games and other strenuous activity
Also even if you have healthy cornea and budget is not a factor then go for more advanced procedures
1. Both Relex smile and LASIK procedure patients will be symptomatic on the day of the laser treatment , like watery eyes , itchiness, pricking , heavy eye lids etc. This usually settles down within a day.
2. Both Relex smile and LASIK procedure patients will need to use antibiotic eye drops for a week to 10 days, and lubricating eye drops for few weeks post the procedure.
3. Both Relex smile and LASIK procedure patients will be allowed to use computers, watch TV etc for sometime from one to two days onwards, drive after a week or so.
4. ReLex smile cases can be more active after two three days, there is no risk of flap dislocation if you rub the eyes , sports, swimming, outdoors activity etc as there is no flap in Relex smile. LASIK cases need to be more careful for a month or so..
FemtoLasik in india may cost 75 thousand rupees to upwards of 1 lakh for both eyes depending on the city and institute . Zyopterix or wavefront guided Customized Femto Lasik may cost upwards of rupees 1 lakh. Femto LASIK technology is available more easily than ReLex Smile.
FemtoLasik Can correct hyperopia up to +4D or so with good accuracy and predictability. This is not possible with ReLEx, which is used to treat myopia/shortsightedness and astigmatism only.
FemtoLasik Can do wavefront customized (whether corneal wavefront or whole eye wavefront guided) treatments. With customized treatment minor abberations of eye are better treated and results are better than standard LASIK treatments.
With both type of LASIK there are Some risk of flap complications, especially for those who are engaged in physical activities. Need to be careful for first few months.
Dry eyes symptoms are also more than Relex Smile till eyes heal properly.
ReLex Smile in india may cost 1 lakh rupees to upwards of 1 lakh for both eyes depending on the city and institute .
ReLex Smile Pros
Safety: Relex smile is for those where a flap is to be avoided or those people who want a less invasive technology. It also retains strength in the cornea as the flap is replaced by a cap.
Comfort: A minimally invasive procedure performed in a matter of minutes. no significant healing needs to take place and you have an incredibly swift recovery. SMILE offers approximately half the amount and duration of dry eye over the recovery period.
Suitability: Due to their being less surgical manipulation of the eye, many patients who are told they are unsuitable for other treatments are surprised to discover they are candidates for SMILE.
After few months patient can do more strenuous activities like swimming, kick boxing etc without the fear of flap dislocation , like with normal eye.
ReLex Smile Cons
Availability: At the moment ReLEx SMILE is only available for myopia vision spectacle removal and astigmatism. The treatment of hyperopia has been developed and is to be released in the near future.
In few cases (esp those who work seriously long hours on the computers) is that they may take slightly longer to adjust to the new vision as compared to LASIK cases, and also those in a slightly higher age group like 45 years and above have been seen to heal comparatively slowly
Risk of ectasia is not completely eliminated, there is an possibility of ectasia if the residual stroma is less than 250 microns or if ReLEx is done on forme fruste keratoconus eyes.