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Keratotomy is a corneal procedure that reshapes the eye by making precise incisions in the cornea. Classic radial keratotomy flattened the central cornea to reduce nearsightedness. Today, laser-based methods like LASIK and PRK have largely replaced manual cuts for predictability and safety. Incisions are still used selectively for astigmatism or during other corneal surgeries. Careful planning balances correction with structural integrity.
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Keratotomy involves creating precise incisions in the cornea to adjust its curvature and correct refractive errors. The result is improved focus and sharper vision for those affected by conditions such as astigmatism.
These procedures and implants help restore or enhance vision when parts of the eye no longer function properly. They support healing, improve clarity, and reduce discomfort caused by damage or disease. With proper recovery and regular checkups, patients can maintain better sight and comfort over time.
Keratotomy is a surgical technique that creates small incisions in the cornea to change its shape and reduce refractive error. The most well-known form is radial keratotomy (RK), which was used before modern laser procedures became widely available. The goal was to flatten the cornea for nearsightedness, but results could vary from person to person.
Some patients who had RK years ago notice fluctuating vision, glare at night, or a gradual shift toward farsightedness over time. Because the cornea was permanently altered, fitting contact lenses can be more challenging, and prescription changes can be frequent. An eye doctor can discuss current options, including specialty contacts and treatment planning based on modern imaging.
Small relaxing incisions can fine-tune astigmatism, especially around cataract surgery. Surgeons choose depth, arc length, and location based on corneal thickness and topography. Modern nomograms help predict effect while limiting risk. Some patients benefit from combined approaches that include lenses or laser. Follow-up ensures clarity and stable refraction.
After keratotomy, the eye may feel scratchy for a short time. Lubricants and prescribed drops support healing. Protective shields and clean habits reduce infection risk. Vision can fluctuate before settling as wounds seal and smooth. Regular checks confirm stability and comfort.
Risks include infection, over- or under-correction, and glare at night. Careful candidacy screening reduces these problems. Discuss driving needs and occupational demands when planning. Report pain, redness, or sudden blur promptly. Long-term follow-up helps maintain clear, stable vision.
Less common, replaced by laser procedures.
“Radial Keratotomy (RK) Complications.” EyeWiki (American Academy of Ophthalmology). https://eyewiki.org/Radial_Keratotomy_(RK)_Complications. Published May 9, 2025.
“Radial Keratotomy Correction.” StatPearls. NCBI Bookshelf (NIH). https://www.ncbi.nlm.nih.gov/books/NBK594564/. Published July 24, 2023.
“Radial Keratotomy: Background and How to Manage Post-op Issues.” American Academy of Ophthalmology (AAO). https://www.aao.org/education/current-insight/radial-keratotomy-background-how-to-manage-postop. Published January 31, 2022.
“Long-term Results of Radial Keratotomy.” National Library of Medicine (NIH). https://pubmed.ncbi.nlm.nih.gov/17351455/. Published March 2007.
“Refractive Surgery.” Cleveland Clinic. https://my.clevelandclinic.org/health/treatments/8598-laser-assisted-in-situ-keratomileusis-lasik-eye-surgery. Published April 9, 2024.