Is LASIK Permanent? What Happens Over 5, 10, and 20 Years
The short answer: LASIK permanently changes the shape of your cornea. The laser-sculpted tissue doesn't grow back. But your eyes continue aging, and some patients experience gradual changes that may eventually require glasses for certain situations — particularly reading after age 40. Here's the complete long-term picture.
| Timeframe | What Happens | Action Needed |
|---|---|---|
| Year 1 | Vision stabilizes fully by month 3 | Follow-up with surgeon; use drops as directed |
| Years 1-5 | Vision typically remains stable | Annual eye exams (recommended for everyone) |
| Years 5-10 | ~5% may see minor regression | Enhancement available if regression is significant |
| Years 10-20 | ~10-15% may have mild regression | Enhancement or glasses for specific situations |
| 40+ (regardless) | Presbyopia develops (reading difficulty) | Reading glasses, monovision enhancement, or lens replacement |
| 60+ (regardless) | Cataracts may develop (natural aging) | Cataract surgery with premium IOL corrects both |
Enhancement Procedures
If regression occurs, a LASIK enhancement (sometimes called a "touch-up") can re-correct your vision. Enhancement rates with modern technology are 5-10% over a lifetime — significantly lower than earlier-generation LASIK. The procedure is typically faster and simpler than the original because the corneal flap can be re-lifted rather than creating a new one.
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