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Photo Therapeutic Keratectomy-PTK Laser eye surgery. PTK is a surgical procedure which is mainly used to treat scars on the cornea and any other type of corneal surface disease.These include corneal dystrophy and epithelial erosion syndrome.he aim of this procedure is to treat surface level corneal disease and NOT to remove the need to wear glasses or contact lenses. However, this treatment can be combined with PRK which means that it has both a medical and cosmetic application.
PTF may refer to: Palomar Transient Factory, an astronomical survey program. Pedotransfer function, a concept used in soil science. Peter Tatchell Foundation, a British human rights organization. Phase transfer function, used for the optics of an imaging system. Police Task Force, former name of the Police Tactical Unit of the Singapore Police Force.