Too thin a cornea becomes a limiting factor. A normal Indian cornea has a central thickness of 530 microns or 0.53 mm. In this thickness, one can safely correct power of -8.0 by SBK (thin flap LASIK) or the Bladeless Femto LASIK.
What prescription is too high for LASIK?
The Prescription You Need for Laser Eye Surgery Nearsighted ness up to -8.0 diopters. Astigmatism up to -3.0 diopters. Nearsightedness with astigmatism up to -9.0 diopters.15 Oct 2019
What are the odds of LASIK going wrong?
The LASIK complication rate is only about 0.3%. The most commonly reported LASIK complications are infection or dry eye that persists for more than six months. Other complications include: Undercorrections occur when the laser removes too little tissue.21 Jun 2021
Can LASIK give you 20 10?
Conclusion: The number of eyes with UDVA of 20/10 increases significantly between 3 months and 12 months after topography-guided LASIK and correlates with better postoperative CDVA. Eyes with lower preoperative corneal astigmatism are more likely to achieve 20/10 or better UDVA postoperatively.
What is considered a high prescription for LASIK?
The average refractive prescription that qualifies for laser eye surgery is: Nearsighted ness up to -8.0 diopters. Astigmatism up to -3.0 diopters. Nearsightedness with astigmatism up to -9.0 diopters.15 Oct 2019
What is the maximum eye power for LASIK?
It is therefore recommended that the ideal upper limit is -8.0, while the acceptable upper limit is -10.0. Beyond this number, LASIK should be avoided, and a better way would be to go in for an ICL implant. The upper limit of correction by LASIK for a plus number, i.e. hypermetropia is +5.0.
Can you get laser eye surgery with a high prescription?
Most people simply don't have thick enough corneas to allow enough reshaping to be done to correct high prescriptions making them unsuitable for traditional Laser Eye Surgery.
How bad does your prescription have to be to get LASIK?
The Prescription You Need for Laser Eye Surgery The average refractive prescription that qualifies for laser eye surgery is: Nearsighted ness up to -8.0 diopters. Astigmatism up to -3.0 diopters. Nearsightedness with astigmatism up to -9.0 diopters.15 Oct 2019
CAN 1000 degree do LASIK?
However, it is generally accepted that the results for LASIK in patients with very high refractive error, i.e. myopia of more than 1000 degrees, hyperopia of more than 400 degrees and astigmatism of more than 400 degrees, are less predictable and less satisfactory, says Rosman. 4.28 Oct 2011
Can you get LASIK If you have a high prescription?
However, as technology has improved, this limitation has been overcome. With modern procedures, surgeons are able to correct prescriptions as high as -12.00. This makes almost everyone a candidate for LASIK, even those with extremely high prescriptions.15 Nov 2013
How much can LASIK correct astigmatism?
When astigmatism is present, it typically does not exceed 3.0 diopters (D) in magnitude and can be fully corrected with a single LASIK procedure. Even higher amounts of astigmatism can be corrected with LASIK, though this increases the likelihood a follow-up LASIK enhancement may be needed to fine-tune the correction.