An Instruction of Lasik Surgery
Prior to make an decision to have an eye surgery to correct vision, to consider what types of surgeries, a normal refractive eye surgery or a custom lasik surgery, is more suitable to you is crucial. In spit that lasik performs well in vision correction, however, not everyone is a good candidate for it. Wrongly undergoing such a surgery would result in serious consequences. Therefore, you are suggested to know the types of lasik surgery, and respective features and performs firstly.
There are different types of lasik up to now, and the differences lying among all of them is concerned with the way the mapping system that guides the way laser works. During the process, the wavefront, which is firstly applied by astronomers to correctly guide the optics of their telescope for better vision, plays a rather important role in detecting the aberrations. Compared with the ordinary eye surgeries, where there is no wavefront applied, it is hardly to detect the aberration accurately, instead such a detection depends on the observation of the surgeon. In some degree, errors are possible merely through the surgeon's detection. Another function of the wavefront is that after detecting the aberrations, it would correct those aberrations through guided ablations. Then it would be easily concluded that lasik is a rather automatic surgery, controlled by a computer. That is to say, lasik can accomplish an correction fairly accurately.
When the aberration is mentioned, it should be illustrated that the aberration can be classified into two types: LOA or lower order aberration and HOA or higher order aberration. The former one can be easily detected through observation of the surgeon and can be corrected by commonly known refractive techniques; while the latter one comes to be comparative more difficult for a surgeon to detect it, and then when coming across HOA, wavefront should be selected. Wavefront also helps the surgeon understand whether one needs wavefront ablation or not. That is to say, wavefront are both useful in the confirmation of whether one is in need of a custom lasik surgery and performance in correcting aberration by wavefront ablation.
With such a brief instruction of lasik surgery above, it is hoped that you would make a right choice in choosing a conventional refractive surgery or a custom lasik surgery to get your vision corrected.
Related Articles:
Differences between various laser eye surgeries
Negative attitude towards monovision LASIK
There are different types of lasik up to now, and the differences lying among all of them is concerned with the way the mapping system that guides the way laser works. During the process, the wavefront, which is firstly applied by astronomers to correctly guide the optics of their telescope for better vision, plays a rather important role in detecting the aberrations. Compared with the ordinary eye surgeries, where there is no wavefront applied, it is hardly to detect the aberration accurately, instead such a detection depends on the observation of the surgeon. In some degree, errors are possible merely through the surgeon's detection. Another function of the wavefront is that after detecting the aberrations, it would correct those aberrations through guided ablations. Then it would be easily concluded that lasik is a rather automatic surgery, controlled by a computer. That is to say, lasik can accomplish an correction fairly accurately.
When the aberration is mentioned, it should be illustrated that the aberration can be classified into two types: LOA or lower order aberration and HOA or higher order aberration. The former one can be easily detected through observation of the surgeon and can be corrected by commonly known refractive techniques; while the latter one comes to be comparative more difficult for a surgeon to detect it, and then when coming across HOA, wavefront should be selected. Wavefront also helps the surgeon understand whether one needs wavefront ablation or not. That is to say, wavefront are both useful in the confirmation of whether one is in need of a custom lasik surgery and performance in correcting aberration by wavefront ablation.
With such a brief instruction of lasik surgery above, it is hoped that you would make a right choice in choosing a conventional refractive surgery or a custom lasik surgery to get your vision corrected.
Related Articles:
Differences between various laser eye surgeries
Negative attitude towards monovision LASIK
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