What is the maximum power for LASIK?
It is not correct as treatment of power more than -8.0 leads to excessive flattening of the cornea and resultant disturbances in a vision called a spherical aberration. It is therefore recommended that the ideal upper limit is -8.0, while the acceptable upper limit is -10.0.
Does power change after LASIK?
Lasik is a laser based surgery in which cornea is reshaped with the help of laser. The change of curvature of the cornea helps in reducing the eye power. In majority of people after Lasik the effect is permanent. However a small minority of people may notice blurring of vision in future due to some new eye power.
Can eyesight get worse again after LASIK?
It permanently reshapes the tissue in the front of your eye, and these changes last your whole life. However, most people’s vision gets worse over time as part of the natural aging process. LASIK can’t stop this, so your vision may become blurry again as you get older.
What happens if your prescription changes after LASIK?
The good news is, these changes are usually minor and occur slowly over the course of many years. If your nearsightedness or farsightedness continue to progress after laser eye surgery, your vision will still be better than it would have been without surgery.
Is minus 7 eyesight bad?
Generally, the further away from zero (+ or -), the worse the eyesight. A number between +/-. 025 to +/-2.00 is considered mild, a number between +/-2.25 to +/- 5.00 is considered moderate, and a number greater than +/- 5.00 is considered severe. Eye prescriptions can change over time.
Can I get number after LASIK?
In many cases, people who experience minor number changes after LASIK are not bothered by the small power and do not feel the need for wearing glasses, except for specific tasks like night driving, where it is used more for safety.
Can you get specs after LASIK?
Myopia and Hyperopia
Additionally, because nothing in the human body comes with guarantees, a very, very small subset of patients who have had LASIK, sometimes progress to nearsightedness or farsightedness. Just as your prescription of glasses may naturally change over time, it can do so after LASIK also.