Phototherapeutic keratectomy

Phototherapeutic keratectomy (PTK) is a type of eye surgery that uses a laser to treat various ocular disorders by removing tissue from the cornea. PTK allows the removal of superficial corneal opacities and surface irregularities. It is similar to photorefractive keratectomy, which is used for the treatment of refractive conditions. The common indications for PTK are corneal dystrophies, scars, opacities, and bullous keratopathy.[1]

Phototherapeutic keratectomy
Specialty	ophthalmology

References

[PTK in the developing world]http://www.ophthalmologyweb.com/JournalUpdates.aspx?spid=23&jid=15009

External links

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

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