Words similar to ptk

Example sentences for: ptk

How can you use “ptk” in a sentence? Here are some example sentences to help you improve your vocabulary:

Numerous previous investigators have used different masking agents as methylcellulose [ 3 4 5 6 ] and sodium hyaluronate [ 5 7 8 ] at various concentrations or performed transepithelial (so that the epithelium acts as a natural masking agent) treatments [ 5 6 9 10 ] and reported the beneficial effect of masked PTK.
As soon as fluorescence faded each experimental eye received an additional 60-micron deep PTK.
However its sequential use as masking agent for PTK could affect the laser-tissue interaction and probably the corneal healing response to irradiation.
After this time the lens mold is removed and the lenticule is ablated through with irradiation in PTK mode.
12 were treated with PTK through PALM gel (experimental eyes) and the remaining 12 received conventional treatment and served as controls.