Phototherapeutic keratectomy

Phototherapeutic keratectomy (PTK) is a type of eye surgery that uses a laser to reshape the cornea. This procedure is often used to treat conditions that affect the surface of the cornea, such as corneal dystrophy, corneal erosion, and corneal scars.

Procedure

During a PTK procedure, the surgeon uses a laser to remove a small amount of tissue from the surface of the cornea. This can help to smooth out irregularities and improve vision. The procedure is usually performed under local anesthesia and takes about 10 to 15 minutes.

Benefits

PTK can provide several benefits, including:

• Improved vision: By smoothing out the surface of the cornea, PTK can help to improve vision.
• Reduced pain: For patients with painful corneal conditions, PTK can help to reduce pain.
• Delayed need for corneal transplant: In some cases, PTK can delay the need for a corneal transplant.

Risks

Like all surgical procedures, PTK carries some risks. These can include:

• Infection: As with any surgical procedure, there is a risk of infection.
• Vision changes: Some patients may experience changes in their vision after PTK.
• Recurrence of corneal problems: In some cases, the corneal condition that PTK was used to treat may recur.

Recovery

Recovery from PTK can take several weeks. During this time, patients may need to use eye drops and wear a protective eye patch. Most patients are able to return to their normal activities within a few days of the procedure.

See Also

• Corneal dystrophy
• Corneal erosion
• Corneal transplant
• Eye surgery
• Laser