Phototherapeutic keratectomy (PTK) is used to correct what medical eye conditions?

Phototherapeutic keratectomy (PTK) is a specialized laser procedure primarily designed to treat specific conditions affecting the cornea, particularly those that involve the superficial layers. The correct application of PTK targets recurrent corneal erosions and superficial corneal scarring, both of which can cause significant discomfort and visual disturbances for patients.

Recurrent corneal erosions occur when the outer layer of the cornea (the epithelium) becomes unstable, leading to repeated episodes of pain and vision changes. PTK smooths out the corneal surface and enhances healing by removing the damaged epithelium and underlying irregularities, which helps in preventing future erosions.

Superficial corneal scarring can arise due to various factors, including injury, infections, or inflammatory conditions. PTK can effectively treat these scars by using laser technology to ablate the scarred tissue, promoting smoother vision and improving overall ocular health.

In contrast, retinal detachment, high myopia, and diabetic retinopathy are conditions that do not benefit from PTK. These conditions typically necessitate different approaches, such as surgical repair for retinal detachment or management of systemic diseases affecting the retina. Understanding the specific indications for PTK helps clarify its role within the spectrum