Archive for the ‘ Modern Medicine ’ Category

 
Wednesday, November 12th, 2008

The composition will not run about Kiev escorts, but the prostitution of ancient times.In the period of transition of human society from tribal to city way of living first prostitution emerged. In tribes the freedoms of females were under control of the patriarchs and in towns women received much more liberty comprising the freedom of choice of sexual partner. Nevertheless, there were such kinds of prostitution as divine and patriarchal that foreran the modern form of prostitution in our society.

The very first mentioning of the whoredom may be seen in scriptures. For instance, we can find whore Rahab, who is referred in the Old Testament signed about two thousand year B.C. As in nowadays life, the attitude of the government towards prostitutes varied from social recognition and licensing of prostitutes to a severe rejection and suppression. The first referring to whoredom licensing happened near 640 year B.C. Athens' legislator Solon promulgated an edict on compulsory licensing of whoredom and the opening of the first brothels. Whores that worked in brothels were mostly thralls. To attract the customers they stood bare in front of a brothel and call the clients. Usual areas of situation of bawdy houses were remote districts of cities, markets, sea or river ports and stands of traders. It was caused by the high need in whores among seamen, merchants and young males from poor families, because rich persons could just buy several own thralls. (more…)

You might have known about such technique of vision treatment as laser correction and its effectiveness is considered to be the greatest. With lots of newest systems such serious eye illnesses as astigmatism, nearsightedness and long sight may be cured. Such techniques are being developed in Birmingham lasik institute. The consequences of such treating operations are usually stable and do not modify during the entire lifetime.

The history of laser vision correction

The problem of vision correction became interesting in the beginning of the 20th century. Such late improvement of this area of medicine is dependent on the lack of needed technologies. The renowned Russian scientist Fedorov invented some methods then. The whole operation consists of some little incisions and insections performed by doctor with some microscopic instruments. Recently it has turned out that regardless of its effectiveness current method of sight treatment implies the appearing of some unpleasant side effects. Physicians recommend not to use these operations if the situation with vision is not hopeless as the operation is really complex and dangerous.

Eximer-laser vision correction

Fedorov's method was widely utilized but it wasn't ideal so some other techniques appeared then. Doctors wanted to get lots of modern solutions and in 1980's modern eximer laser was proposed by scientists. Today doctors announce that techniques which utilize eximer lasers as base are really harmless and their efficiency is fabulous. Laser beam is controlled by some definite computer program of reshaping of the cornea. The basic cause of lots of problems related to vision is some curvature of tissues of the eyeball and eyelens. There are two the most renowned methods which are commonly used nowadays: PRK photorefractive keratectomy and Lasik.

PRK method

That method is actually frequently used and it is based on use of eximer laser in medical purposes. Laser beam which is aimed on the tissues of the retina evaporates some of them and the shape of the eyeball become proper. Another advantage of current technique is that neither instrument nor doctors contact with the surface of the eyelens as the laser beam is used. Nevertheless PRK method has got some drawbacks: some micro erosion can take place during the operation and the patient feels pain over a period of several days.

Lasik method

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Friday, June 27th, 2008

Drugs: What You Should Know