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 ?
Technologies such as active ambient light suppression (ALS) or "brightVision[R]"--which allows the PRK 3b opto-sensors to recognize the incidence of spurious light and to distinguish between its own sensor signal and the interference source are an important characteristic of the new sensor.
Our study provides a clear answer to those who doubt LASIK's reliability, showing that both LASIK and PRK are effective for correcting myopia with no long term complications," said lead investigator Jorge L.
PRK costs around pounds 700 an eye and LASIK around pounds 1,500.
Massino, Chairman and CEO of Senetek, stated, "The statistical significance of these improvements across virtually all parameters measured is most impressive, suggesting that the commercial applications for PRK 124 for skin anti-aging are most encouraging.
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.
This prospective, nonrandomized clinical trial of 38 patients [65 eyes] assessed the safety and effectiveness of hyperopic PRK and evaluated the effect of degree of hyperopia, two methods for removal of the epithelium (the outer layer of the cornea), and various patient management techniques on clinical outcomes.
Milne noted that his results were a "huge improvement" over his previous experience with PRK, in which he also used the Durrie Technique.
Epi-LASIK combines the most desirable features of today's popular refractive techniques -- LASIK and PRK.
Approximately 30 subjects undergoing bilateral myopic PRK will participate in the trial.
Epi-LASIK combines the best of today's most popular refractive surgeries, LASIK and PRK, but does not require the surgeon to cut the patient's cornea or apply alcohol as is done in comparable procedures.
is one of the largest retail and franchised chains of optical stores and operates laser vision correction centers offering opthalmological and PRK services through its wholly owned subsidiary, Insight Laser Centers.