The eye can be examined with relative ease as to both its function and its structure. A functional evaluation consists of the capability to relocate the orbit and the reaction of the student to light and accommodation.
The function of the eye may be checked in a number of methods. The patient might be asked to recognize illuminated letter or items of differing sizes on exactly what is referred to as the Snellen chart.
Alternatively, the evaluation of the structural part of the eye may be made in a number of methods. Tension within the eyeball is measured by a "tonometer." In certain diseases, particularly in glaucoma, the stress in the eyeball is increased noticeably.
Nevertheless, it should be well remembered that a patient with an eye problem might have other issues as well. Often other physical conditions are primary and affect the eye as a effect. The look of the eye can alert the doctor and the client to troubles in some disruptions of other parts of the body even prior to other signs provide themselves.
Consequently, one's dependence on sight is highlighted when one faces a short-term or possible long-term loss of this important sense. For this reason, when corrective measures are looked for, particular kinds of vision correction such as contact lenses or glasses are prescribed.
On the other hand, some people are bothered with the reality that they have some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgical operations were established to encourage decreased usage of contact lenses or glasses. Among which is the now popular LASIK eye surgery.
Essentially, LASIK eye surgical treatment is the brief term for "Laser-Assisted In Situ Keratomileusis." Like its tangible counterpart, LASIK eye surgery is another type of vision correction. The only distinction is that with this type of surgery, one's vision is remedied completely.
With LASIK eye surgical treatment, the refractive mistakes in the cornea are permanently changed. This can be done using an "excimer laser."
The main function of this surgical treatment is to create a threadlike, rounded "flap" in the cornea utilizing a blade understood as "microkeratome." In a series of unfolding and laser processing, the cornea is finally reformed, allowing better the eye to direct more light into the retina.
Popularity vs. Disadvantages
In the middle of the growing popularity of LASIK eye surgical treatment, there are still disadvantages that individuals must know. Most likely, the main reason this type of eye surgical treatment has actually ended up being well accepted is since most of its cases had actually been effective.
In spite of its success, there are still some drawbacks. Here is the list:
1. It is an operation used to the most sensitive part of the eye
Since LASIK eye surgery involves the operation of the retina, which is one of the most sensitive parts of the eye, most people say that the operation can be really dangerous.
Simply puts, a simple error might nearly trigger an individual's life time loss of sight. For this reason, it is very important to think about lots of factors prior to deciding whether LASIK eye surgery is the right restorative step one has to go through.
2. It is not a perfect treatment
LASIK eye surgery might correct your vision however it does not necessarily mean that it straight from the source can provide you a twenty-twenty. Even if analytical reports reveal that 70% of the patients might have 20/20 vision, this does not always imply they have perfect vision also.
Given all these things, it can be deduced that, in spite of the popularity of the operation, LASIK might not always be the perfect eye surgical treatment the way the majority of people view it
Conversely, the examination of the structural part of the eye might be made in a number of methods. It must be well remembered that a patient with an eye issue might have other issues. Often other physical conditions are main and affect the eye as a effect. The appearance of the eye can alert the doctor and the patient to problems in some disruptions of other parts of the body even before other symptoms provide themselves.
Like its concrete counterpart, LASIK eye surgical treatment is another kind of vision correction.