What determines my individual risk from eye surgery?
Your prescription, corneal thickness and shape, tear film, healing response and age all influence it, along with the technique chosen and how the eye is managed afterwards.
- Subject
- Risks & safety
- Topic
- Safety questions
- Kind of question
- What is…
- Last reviewed
- 22 September 2026
In more detail
That is why two people reading the same list of risks are not reading about the same risk. The list is general; your proportion of it is not knowable without examining you.
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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 Safety questions . 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.
- The Royal College of Ophthalmologists
The UK professional body for ophthalmologists, which publishes standards and commissioning guidance for refractive surgery services.
Used for What good preoperative assessment and consent look like.
Link checked 22 September 2026
- Cochrane Library
Systematic reviews and meta-analyses. Useful for readers who want to know how strong the pooled evidence is, not just what one trial found.
Used for Helping readers judge the strength of the evidence base.
Link checked 22 September 2026