What is surface ablation?
Surface ablation is the family name for treatments that reshape the cornea from the outside rather than by lifting a flap or removing a lenticule from inside. PRK, LASEK, epi-LASIK and TransPRK are all surface ablation.
- Subject
- Vision correction
- Topic
- PRK & TransPRK
- Kind of question
- What is…
- Procedures
- PRK, TransPRK, LASIK, SMILE
- Last reviewed
- 22 September 2026
In more detail
Grouping them is useful when reading a comparison: the trade-off a reader is choosing between is really surface versus flap versus lenticule, and the marketing names within each group describe technique details rather than different optical outcomes.
What this answer depends on
- Which category of treatment suits your cornea
- The recovery profile you can accommodate
- What your surgeon performs most often
Related guides
People also ask
The questions readers move to next from this one: the closest subjects first, from either question bank.
Where this answer sits
It is one of 483 answers in the vision and eye health knowledge base, filed under Vision correction & laser eye surgery in PRK & TransPRK . The subject page carries the answers either side of it, and the hub is searchable.
Subjects this question touches
The pages that answer the subject behind the question, rather than the question itself.
- Procedure PRK
- Procedure TransPRK
- Comparison LASIK vs PRK
- Comparison SMILE vs PRK
- Procedure SMILE
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.
- Comparison of clinical outcomes of LASIK, Trans-PRK, and SMILE
A comparative study of three commonly used refractive procedures, including a summary of proposed advantages of each.
Used for The procedure comparison page, particularly the PRK discussion.
Link checked 22 September 2026