Eye Surgery – Eye Op Types
For many people, eye surgery seems to be a painful intervention in one of the finest and most sensitive human organs. This is no longer the case. Thanks to modern surgical procedures with ultrafine laser devices, most operations on the eye are practically painless, many are performed on an outpatient basis, ie. You can return home a few hours after surgery, and the subsequent healing process is usually uncomplicated.
There are numerous diseases and refractive errors of the eye. For the treatment of organic or functional disorders in many cases offers an eye surgery. The diseases in which surgery on the eye makes sense include the following:
The most commonly performed surgery in Germany is one on the eye: the cataract surgery. A cataract (cataract) is a clouding of the eye lens, which is a hindrance in old age and leads to graying and low contrast of the visual image.
In a cataract surgery, the cornea is slightly cut laterally. Through this opening, the solidified eye lens inside, in the capsular bag, with the help of an ultra-jet crushed and sucked. Subsequently, one, previously exactly calculated and gg. With Sehstärke manufactured artificial eye lens, a so-called. lens implant, used.
This eye surgery is routine in almost all eye clinics. In Germany alone, it is performed approximately 800,000 times a year. So you do not have to worry about ophthalmologists being new territory.
Increasingly, the advances in refractive surgery are being used to correct vision problems. Because more and more people want to do without the unloved spectacles – the LASIK or Femto-Lasik procedure offers a good alternative. For, unlike visual aids, which correct visual acuity with superior lenses, eye lasers are at the root of the evil: the cause of most poor eyesight is an inappropriate refractive power of the eye. Only when this is correct, a sharp image is displayed on the retina.
Eye surgery for myopia
In myopia, the eyeball is too long, measured by the refractive power of the eye. With the help of the laser eye procedure, the cornea is flattened in the middle so that its refractive power changes itself.
- For more see: Eye lasers for myopia
Eye surgery for long-sightedness
In farsightedness, it is exactly the opposite: the eyeball is too short, measured by the refractive power of the eye. In this case, the cornea at the edges is slightly ablated to correct the refractive power accordingly.
- More about: Eye lasers for long-sightedness
Eye surgery for astigmatism
Astigmatism is colloquially referred to as astigmatism. This explains what is the cause of this refractive error: the cornea is not evenly curved, but has a kind of dent in one direction. This results in the image on the cornea appearing blurred in this, because it is stretched out. Astigmatism is therefore also called astigmatism.
This problem can also be easily eliminated with the help of modern laser eye methods: one simply wears the protruding part off so that the cornea is then arched exactly. And immediately after the operation, you can see sharp again.
Eye surgery at presbyopia
In the case of long-term vision, the behavior is slightly different than in the case of the previously mentioned: In this case, the decreasing accommodative power of the eye lens is responsible for the aberration on the retina. Nevertheless, one can eliminate a trained age view also with the help of the laser eye. In principle, as well as in the farsightedness, except that in the case of age-view mainly the lower part of the cornea is processed – since this is usually used for the short distances (for example, reading).
Glaucoma (“green star”) is a series of eye diseases in which the nerve fibers of the eye, which are in the optic nerve (nervus opticus), be attacked. Glaucoma is the leading cause of blindness worldwide. The causes can be diverse, often there is an increased intraocular pressure. But even with a normal internal pressure can lead to glaucoma (so-called. Normal tension glaucoma, about 40%).
It is estimated that around one million people in Germany are affected by glaucoma. But that does not mean that you really have to go blind. With early detection and proper treatment, glaucoma can also be cured.
In a glaucoma operation, a tiny tube is placed in the eye, roughly simplified, that causes the intraocular pressure to dissipate.
The vitreous body of the eye is a gel-like transparent liquid, which primarily ensures that the eye does not “collapse”. The vitreous thus produces a certain intraocular pressure. If it comes to contamination of the vitreous body (for example, by blood), vitrectomy (vitreous surgery) can help. The glass body is removed and filled with a replacement liquid.
The retina (retina) contains the photoreceptors, which as sensory cells can convert the light impulses into elekromagnetishce impulses, the “language of the brain”. In addition, the retina consists of numerous other cell layers and associations that transmit, filter and amplify the light information. There are a number of known diseases of the retina, some of which are also operative, i.a. can be treated with laser radiation. These include, among others:
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