Phototherapeutic keratectomy (PTK) is a type of eye surgery that uses a laser to treat various ocular disorders by removing tissue from the cornea. It is similar to photorefractive keratectomy which is used for the treatment of refractive conditions.

See also

• Corneal transplant
• Refractive surgery

External links

• "Facts About The Cornea and Corneal Disease" - National Eye Institute

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