03#local vasodilation （1）External application of vasodilators For patients with inconspicuous peripheral vein exposure and difficulty in puncturing of vasospasm, apply a cotton …

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05#Remedial method after piercing For venipuncture, after the blood vessel is punctured, use finger pressure to puncture the site to stop bleeding as a remedy, that is, after the …

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07#Painless injection puncture method Most of the skin pain nerve fibers are distributed in the epidermis, and its pain receptors are distributed in a point shape. There are 25 …

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09#fixing method The fixation method of intravenous infusion is an important link in the whole infusion process. According to the principles of mechanics and aesthetics, it is more …

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Whether or not you are a college student or a workplace professional, activities related to excessive close up work on the computer are likely an integral part of your daily life. …

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Absolutely white, whites of the eye, is a myth. Veins in the eyes are and must be visible in healthy eyes. It is only when the red veins are dilated, the eye appears red. The …

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Welcome to science time! This article will discuss optical coherence tomography (OCT), an advanced technology widely used in eye examination, and introduce the basic principles and …

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Diabetes is not diabetes caused by eating too much sugar. It occurs when the pancreas is no longer able to make insulin, or when the body cannot make good use of the insulin it …

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In 1991, Huang et al. of the Massachusetts Institute of Technology first used the developed OCT to observe the isolated human retina and optic disc. in 1995,it was officially used …

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Our body is having blood that circulates throughout the body. It is the main part of our circulatory system. It carries hemoglobin, which is the only provider of oxygen to every …

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