نتایج جستجو برای: red laser he
تعداد نتایج: 481985 فیلتر نتایج به سال:
BACKGROUND To evaluate the quality of the images obtained by an ultra-widefield device in gas-filled eyes after vitrectomy for a retinal detachment. METHODS Retrospective case series. The ultra-widefield scanning laser ophthalmoscopic images (Optos 200Tx imaging system) of 40 eyes that were gas-filled with 40 to 90% of the vitreous cavity after vitrectomy for a rhegmatogenous retinal detachme...
We report the basic luminescence properties and the continuous-wave (CW) laser operation of a Pr(3+)-doped KYF(4) single crystal in the Red and Orange spectral regions by using a new pumping scheme. The pump source is an especially developed, compact, slightly tunable and intra-cavity frequency-doubled diode-pumped Nd:YAG laser delivering a CW output power up to about 1.4 W around 469.1 nm. At ...
Introduction: Folliculogenesis is a cycle that any disruption in this cycle leads to disease. Treatment include Surgery, drugs and low-power lasers have been used as complementary. This study investigated photo-bio-stimulation effect of lasers (power<250 mW)) on folliculogenesis cycle in rats’ ovarian tissue in two wavelength 630 and 810 nm autonomously. Methods: Twenty-eight female Wistar rat...
Methodological problems of acupuncture trials focus on adequate placebo controls. In this trial we evaluated the use of sham laser acupuncture as a control procedure. Thirty-four healthy volunteers received verum laser (invisible infrared laser emission and red light, 45 s and 1 J per point) and sham laser (red light) treatment at three acupuncture points (LI4, LU7 and LR3) in a randomized, dou...
OBJECTIVES This study investigated the effectiveness of low power red and infrared lasers and that of Er:YAG laser, in association with CPP-ACPF cream, on remineralization of white spot lesions. STUDY DESIGN Fifty intact premolars were immersed in a demineralization solution for 10 weeks to induce caries like lesions and then were divided into five groups. In group 1, the teeth were covered w...
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