The eye can be analyzed with relative ease regarding both its function and its structure. A functional assessment includes the capability to move in the orbit and the response of the student to light and accommodation.
The function of the eye may be checked in several ways. The client may be asked to recognize illuminated letter or things of differing sizes on exactly what is referred to as the Snellen chart.
On the other hand, the assessment of the structural part of the eye may be made in several methods. Tension within the eyeball is measured by a "tonometer." In specific illness, especially in glaucoma, the tension in the eyeball is increased noticeably.
However, it ought to be well bore in mind that a client with an eye issue may have other issues also. Often other physical conditions are primary and impact the eye as a effect. The look of the eye can notify the patient and the physician to troubles in some disturbances of other parts of the body even before other symptoms present themselves.
As a result, one's dependence on sight is highlighted when one deals with a short-lived or possible long-term loss of this essential sense. Thus, when corrective measures are sought, certain kinds of vision correction such as contact lenses or spectacles are recommended.
On the other hand, some individuals are troubled with that they have some framed lenses or contact lenses in front of their eyes.
For this reason, advanced surgeries were developed to encourage decreased usage of contact lenses or glasses. Among which is the now popular LASIK eye surgery.
Essentially, LASIK eye surgery 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 kind of surgical treatment, one's vision is fixed permanently.
With LASIK eye surgery, the refractive mistakes in the cornea are permanently changed. This can be done using an "excimer laser."
The primary purpose of this surgical treatment is to produce a threadlike, rounded "flap" in the cornea using a blade understood as "microkeratome." In a series of unfolding and laser processing, the cornea is lastly reformed, allowing much better the eye to direct more light into the retina.
Popularity vs. Disadvantages
In explanation the middle of the growing popularity of LASIK eye surgery, there are still disadvantages that people need to know. Most likely, the main reason that this kind of eye surgery has become well accepted is due to the fact that most of its cases had succeeded.
However, in spite of its success, there are still some disadvantages. Here is the list:
1. It is an operation used to the most delicate part of the eye
Because LASIK eye surgery includes the operation of the retina, which is among the most sensitive portions of the eye, the majority of individuals state that the operation can be very risky.
In other words, a basic error might nearly cause an person's life time blindness. Thus, it is very important to think about numerous aspects before deciding whether LASIK eye surgical treatment is the ideal restorative step one has to undergo.
2. It is not a ideal procedure
LASIK eye surgical treatment might fix your vision but it does not necessarily mean that it can offer you a twenty-twenty. Even if analytical reports show that 70% of the patients may have 20/20 vision, this does not always indicate they have perfect vision as well.
Given all these things, it can be deduced that, in spite of the appeal of the operation, LASIK might not always be the perfect eye surgery 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 problems. Typically other physical conditions are primary and affect the eye as a repercussion. The look of the site link eye can inform the doctor and the patient to troubles in some disruptions of other parts of the body even prior to other signs present themselves.
Like its tangible equivalent, LASIK eye surgery is another type of vision correction.