What is enhancement surgery?
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Enhancement is a further treatment performed after the eye has stabilised, in order to correct a residual prescription from the first procedure.
- Subject
- Risks & safety
- Topic
- Enhancement & retreatment
- Kind of question
- What is…
- Last reviewed
- 9 November 2026
In more detail
It requires enough remaining corneal tissue and a pattern that makes sense to treat. Ask whether enhancement is included in the quoted price or charged separately, and under what conditions the clinic would decline it.
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Where this answer sits
It is one of 483 answers in the vision and eye health knowledge base, filed under Risks, safety & side effects in Enhancement & retreatment . The subject page carries the answers either side of it, and the hub is searchable.
This information is for educational purposes and does not replace an examination by a qualified eye-care professional.
General answers cannot tell you what is happening in your own eyes. Only an examination by a qualified ophthalmologist can do that.
Sources & further reading
We prefer primary sources. Where a claim comes from a manufacturer, a single study or a regulator, it is labelled as such below.
- European Society of Cataract and Refractive Surgeons
A European professional society for refractive and cataract surgery, publishing guidance and outcome registries.
Used for Refractive surgery outcome measurement and reporting.
Link checked 22 September 2026