How Nearsighted Can You Be for Lasik?

In general, excimer lasers that are FDA-approved for LASIK surgery performed in the United States can correct up to approximately -11.00 diopters (D) of nearsightedness, up to +5.00 D of farsightedness, and up to 5.00 D of astigmatism.

Can you be too nearsighted for LASIK?

While LASIK can be used to correct many vision problems, to achieve the best results, your prescription should not be too high (whether you are nearsighted, farsighted, or suffer from astigmatism).

How bad does eyesight have to be to get 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.

Maya Lin-Takahashi

Maya Lin-Takahashi

Consumer Tech & Gadget Reviewer

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.