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 pupil to light and accommodation.
The function of the eye may be tested in several methods. The patient might be asked to identify illuminated letter or objects of varying sizes on exactly what is called the Snellen chart.
Alternatively, 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 particular diseases, especially in glaucoma, the tension in the eyeball is increased noticeably.
However, it ought to be well bore in mind that a patient with an eye issue might have other issues also. Often other physical conditions are primary and affect the eye as a effect. The look of the eye can inform the doctor and the patient to problems in some disturbances of other parts of the body even before other signs present themselves.
Subsequently, one's dependence on sight is stressed when one deals with a momentary or possible long-term loss of this crucial sense. Thus, when corrective steps are sought, particular kinds of vision correction such as contact lenses or eyeglasses are prescribed.
On the other hand, some people are bothered with that they have some framed lenses or contact lenses in front of their eyes.
For this reason, advanced surgical operations were established to encourage decreased usage of contact lenses or glasses. One of which is the now popular LASIK eye surgical treatment.
Generally, LASIK eye surgical treatment is the short-term for "Laser-Assisted In Situ Keratomileusis." Like its tangible counterpart, LASIK eye surgical treatment is another type of vision correction. The only difference is that with this type of surgery, one's vision is remedied permanently.
With LASIK eye surgery, the refractive errors in the cornea are permanently transformed. 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 utilizing a blade known as "microkeratome." In a series of unfolding and laser processing, the cornea is finally reformed, enabling moved here much 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 should know. Most likely, the main factor why this next type of eye surgical treatment has actually ended up being well accepted is because many of its cases had 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 surgical treatment involves the operation of the retina, which is one of the most delicate portions of the eye, many people state that the operation can be very dangerous.
In other words, a easy mistake could practically trigger an person's lifetime blindness. Thus, it is very important to think about many aspects prior to choosing whether LASIK eye surgery is the right corrective step one needs to undergo.
2. It is not a ideal treatment
LASIK eye surgery might fix your vision however it does not always indicate that it can offer you a ideal vision. Even if analytical reports show that 70% of the patients might have 20/20 vision, this does not always imply they have perfect vision as well.
Given all these things, it can be deduced that, in spite of the popularity of the operation, LASIK might not constantly be the ideal eye surgery the way many people view it
Conversely, the examination of the structural part of the eye may be made in numerous methods. It must be well remembered that a patient with an eye issue may have other problems. Frequently other physical conditions are primary and impact the eye as a repercussion. The appearance of the eye can notify the patient and the doctor to troubles in some disruptions of other parts of the body even before other signs provide themselves.
Like its tangible equivalent, LASIK eye surgical treatment is another kind of vision correction.