Ptk

Visby Class Corvette - Units
8 June 2000 3rd Naval Warfare Flotilla PTK Visby* K32 Helsingborg 27 June 16 ... December 2009 3rd Naval Warfare Flotilla Active K33 Härnösand 16 December 2004 16 ... PTK Visby is the designation of the formation doing system tests and readying the ships for active service within the Royal Swedish Navy ...

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 ... The common indications for PTK are corneal dystrophies, scars, opacities, bullous keratopathy ...

Phi Theta Kappa - Name Origin and Usage
... Although the acronym "PTK" is sometimes used informally, it is heavily discouraged by the society and is not permitted for official business ... The only notable exception is the use of "PTK" in URLs, such as the official international website, ptk.org, and similar regional and chapter websites ... Members who use "PTK" in speech at official events are typically corrected, and no written or printed materials using "PTK" can be released to the public ...

Recurrent Corneal Erosion - Treatment - Surgical
... Laser PTK involves the surgical laser treatment of the cornea to selectively ablate cells on the surface layer of the cornea ... Laser PTK has been found to be most effective after epithelial debridement for the partial ablation of Bowman's lamella, which performed prior to PTK in the surgical ... This is meant to smoothen out the corneal area that the laser PTK will then treat ...

Bouyei Language - Phonology - Language Shift
... Proto-Tai–Kadai *ˀn, *n̥ *t *ˀd *dʱ, *d *n PTK Level tone Dark level Light level PTK Rising tone Dark rising Light rising PTK Departing tone Dark ...