In rare cases, vision may worsen slightly after LASIK due to regression, incomplete healing, or an underlying condition. However, significant worsening is uncommon and most cases are treatable with an enhancement procedure.
Key Facts
- Regression (gradual prescription return): Occurs in 5–10% of high prescriptions
- Regression is usually mild and develops slowly over years, not weeks
- Enhancement LASIK can re-treat regression in most eligible patients
- Sudden vision worsening in the first month may indicate a complication — seek urgent advice
- Dry eye causes temporary blurriness that can seem like worsening prescription
Guidelines & Tips
- Attend all follow-up appointments so regression is caught early
- Do not get new glasses within 3 months — vision still stabilising post-LASIK
- Annual eye checks after LASIK allow early detection of any prescription change
- If regression occurs years later, enhancement LASIK is often still possible
- High myopia (above -8D) has slightly higher regression risk — discuss this pre-LASIK
- Lifestyle factors (excessive near work, UV exposure) can contribute to regression — protect your eyes
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