The eye can be examined with relative ease regarding both its function and its structure. A functional evaluation includes the ability to move in the orbit and the response of the pupil to light and accommodation.
The function of the eye might be evaluated in a number of methods. The patient may be asked to determine illuminated letter or items of varying sizes on what is known as the Snellen chart.
Conversely, the evaluation of the structural part of the eye may be made in a number of ways. Stress within the eyeball is determined by a "tonometer." In certain diseases, specifically in glaucoma, the tension in the eyeball is increased considerably.
However, it needs to be well bore in mind that a patient with an eye problem may have other problems also. Often other physical conditions are primary and affect the eye as a consequence. The look of the eye can alert the client and the doctor to problems in some disruptions of other parts of the body even before other symptoms present themselves.
Subsequently, one's dependence on sight is highlighted when one deals with a possible or temporary permanent loss of this crucial sense. When restorative measures are looked for, specific kinds of vision correction such as contact lenses or spectacles are prescribed.
On the other hand, some people are troubled with that they have some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgeries were established to encourage reduced usage of contact lenses or glasses. One of which is the now popular LASIK eye surgery.
Generally, LASIK eye surgical treatment is the brief term for "Laser-Assisted In Situ Keratomileusis." Like its concrete counterpart, LASIK eye surgical treatment is another type of vision correction. The only difference is that with this type of surgical treatment, one's vision is remedied permanently.
With LASIK eye surgery, the refractive mistakes in the cornea are completely transformed. This can be done using an "excimer laser."
The primary function of this surgery is to develop a threadlike, rounded "flap" in the cornea utilizing a blade called "microkeratome." In a series of unfolding and laser processing, the cornea is lastly reformed, allowing better the eye to direct more light into the retina.
Popularity vs. Disadvantages
In the middle of the growing appeal of LASIK eye surgery, there are still disadvantages that individuals must know. Most likely, the primary factor why this kind of eye surgical treatment has actually become well accepted is due to the fact that many of its cases had been effective.
In spite of its success, there are still some downsides. Here is the list:
1. It is an operation applied to the most delicate part of the eye
Due to the fact that LASIK eye surgery involves the operation of the retina, which is among the most delicate portions of the eye, many people state that the operation can be really risky.
To puts it simply, a simple mistake might almost cause next an person's life time blindness. It is essential to consider lots of elements before choosing whether LASIK eye surgical treatment is the best corrective procedure one has to go through.
2. It is not a ideal procedure
LASIK eye surgical treatment may fix your vision however it does not always indicate that it can offer you a perfect vision. Even if analytical reports show that 70% of the clients might have 20/20 vision, this does not always indicate they have ideal vision.
Provided all these things, it can be deduced that, in spite of the appeal of the operation, LASIK might not always be the ideal eye surgery the method most people view it
Conversely, the evaluation of the structural part of the eye may be made in several methods. It must be well remembered that a patient with an eye problem may have other issues. Frequently other physical conditions are main and impact the eye as a consequence. The appearance of the eye can alert the client and the physician to troubles in some disruptions of other parts of the body even before other signs present themselves.
Like its concrete equivalent, LASIK eye surgery is another type of vision correction.