The eye can be analyzed with relative ease as to both its function and its structure. A practical examination includes the ability to move in the orbit and the reaction of the student to light and accommodation.
The function of the eye might be tested in a number of ways. The patient may be asked to recognize illuminated letter or things of varying sizes on what is understood as the Snellen chart.
On the other hand, the evaluation of the structural part of the eye may be made in several ways. Tension within the eyeball is measured by a "tonometer." In certain illness, specifically in glaucoma, the tension in the eyeball is increased significantly.
However, it must be well bore in mind that a patient with an eye problem may have other issues too. Frequently other physical conditions are main and affect the eye as a repercussion. The appearance of the eye can inform the patient and the physician to difficulties in some disruptions of other parts of the body even before other signs provide themselves.
Consequently, one's dependence on sight is stressed when one faces a momentary or possible irreversible loss of this important sense. For this reason, when restorative measures are sought, certain types of vision correction such as contact lenses or eyeglasses are recommended.
On the other hand, some people are troubled with the truth that they have actually some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgeries were developed to motivate reduced usage of contact lenses or glasses. One of which is the now popular LASIK eye surgery.
Essentially, LASIK eye surgery is the short term for "Laser-Assisted In Situ Keratomileusis." Like its concrete equivalent, LASIK eye surgery is another form of vision correction. The only distinction is that with this type of surgical treatment, one's vision is fixed completely.
With LASIK eye surgical treatment, the refractive mistakes in the cornea are completely changed. This can be done using an "excimer laser."
The primary function of this surgery is to create a threadlike, rounded "flap" in the cornea using a blade called "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
Amidst the growing popularity of LASIK eye surgery, there are still disadvantages that people need to understand. Most likely, the primary reason that this type of eye surgical treatment has become well accepted is due here are the findings to the fact that most of its cases had actually been successful.
In spite of its success, there are still some disadvantages. 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 among the most delicate portions of the eye, many people say that the operation can be really dangerous.
In other words, a easy error might almost cause an person's lifetime loss of sight. It is crucial to consider many elements before deciding whether LASIK eye surgery is the best corrective measure one has to undergo.
2. It is not a perfect procedure
LASIK eye surgical treatment might remedy your vision however it does not always suggest that it can offer you a twenty-twenty. Even if statistical reports reveal that 70% of the patients might have 20/20 vision, this does not necessarily suggest they have ideal vision.
Given all these things, it can be deduced that, in spite of the popularity of the operation, LASIK may not always be the review perfect eye surgical treatment the way a lot of individuals see it
Conversely, the examination of the structural part of the eye may be made in numerous methods. It ought to be well kept in mind that a patient with an eye problem might have other issues. Frequently other physical conditions are primary and affect the eye as a repercussion. The look of the eye can inform the doctor and the client to problems in some disturbances of other parts of the body even before other symptoms provide themselves.
Like its tangible counterpart, LASIK eye surgery is another type of vision correction.