PRK


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PRK

GOST 7.67 Latin three-letter geocode for North Korea. The code is used for transactions to and from North Korean bank accounts and for international shipping to North Korea. As with all GOST 7.67 codes, it is used primarily in Cyrillic alphabets.
References in periodicals archive ?
Forty-two eyes of 23 patients (12 female, 11 male) in the PRK group and 42 eyes of 22 patients (12 female, 10 male) in the SMILE group were evaluated retrospectively.
William D K (5) in a series of PRK in high myopia, treated 88 eyes with SE refractive correction ranging from -12 to -22 with 12 months follow up.
The technological advances and new production techniques used by Leuze electronic in the build of the new PRK 3B offers maximum functional reliability and handling convenience coupled with an optimum cost-to-performance ratio.
RK and PRK surgery may result in overcorrection, which renders you farsighted, or undercorrection, which leaves you nearsighted.
The surgeon uses an optical zone marker 1 mm larger (approximately 7mm in diameter to accommodate a 6mm laser optical zone) than the desired optical PRK zone.
That is why ophthalmologists like Pannu - and major universities - have spent upward of $600,000 buying excimer lasers to perform LASIK and PRK.
This combines PRK with an older surgical procedure known as keratomileusis.
Milne noted that his results were a "huge improvement" over his previous experience with PRK, in which he also used the Durrie Technique.
Related procedures such as LASEK, Epi-LASIK, PRK and custom LASIK are described, along with procedures such as implants and conductive keratoplasty.
Epi-LASIK combines the most desirable features of today's popular refractive techniques -- LASIK and PRK.
In addition to LASIK, the section includes detailed information on refractive procedures such as custom LASIK, LASEK, PRK, CK and prescription inserts.
Approximately 30 subjects undergoing bilateral myopic PRK will participate in the trial.