Such procedure use more than one Laser to correct refractive errors or eye conditions. Typically the specialists use femtosecond laser to create a flap followed by excimer laser to re-shape the cornea based on the eye condition. The use of femtosecond laser is also known as interLase, blade-less, blade-free or All Laser LASIK.
A femtosecond is a millionth of a billionth of a second.
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Benefits of All Laser LASIK
- Custom corneal flap for each patient
- Less risk associated with flap re-shaping
- Bladeless procedure
- Almost immediate result
- Clear vision with no specs or contact lens
- No bandages or stitches
- For patients with thinner-than-average cornea
- For larger-than-average eye pupil
When to consider?
- Larger amount of nearsightedness
- Just want the safest possible technology
- Very steep or very flat corneal shape
- Thinner corneas
- Dry eyes or contact lens intolerance
- If price/cost is not the primary determining factor (additional cost per eye)
Patient ease
With no blade, bandages or stitches, this procedure is considered the safest of all the procedures. You can make adjustments to your eyes at a later point in time, with age. This makes it the most flexible procedure too,
Wider application
Corrects nearsightedness by flattening the cornea, it corrects farsightedness by making the cornea steeper, and astigmatism can be corrected by smoothing an irregular cornea into a more symmetrical shape
FDA (USA) approved
This procedure has been widely tested over several eyes and has cleared the US FDA approval process with flying colors.
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About Excimer Lasers
Excimer lasers remove or ablate microscopic amounts of tissue from the cornea with a very high precisiion, without damaging the surrounding corneal tissue. There are several excimer lasers that have been approved by the FDA for use in eye-sight correction procedures, including:
- STAR S4 IR Excimer Laser System and iDesign Advanced WaveScan Studio System (Johnson & Johnson)
- Allegretto WAVE Eye-Q Excimer Laser System (Alcon)
- TECHNOLAS 217Z Zyoptix System for Personalized Vision Correction (Bausch + Lomb)
- Nidek EC-5000 with Navex Quest customization (Nidek)
- MEDITEC MEL 80 Excimer Laser System (Zeiss)
Though each of these lasers has its own unique set of features, research has shown that all FDA-approved excimer laser produce comparable LASIK results.