The eye can be analyzed with relative ease as to both its function and its structure. A functional evaluation includes the capability to move in the orbit and the reaction of the student to light and accommodation.
The function of the eye may be tested in a number of methods. The patient may be asked to recognize illuminated letter or objects of varying sizes on exactly what is understood as the Snellen chart.
On the other hand, the evaluation of the structural part of the eye might be made in a number of ways. Tension within the eyeball is measured by a "tonometer." In particular diseases, specifically in glaucoma, the tension in the eyeball is increased noticeably.
Nevertheless, it should be well kept in mind that a client with an eye issue might have other problems too. Typically other physical conditions are primary and affect the eye as a repercussion. The look of the eye can alert the client and the doctor to difficulties in some disruptions of other parts of the body even before other signs present themselves.
Consequently, one's reliance on sight is stressed when one faces a temporary or possible permanent loss of this important sense. Hence, when corrective procedures are looked for, specific forms of vision correction such as contact lenses or eyeglasses are recommended.
On the other hand, some people are bothered with the truth that they have 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.
Basically, LASIK eye surgery is the short-term for "Laser-Assisted In Situ Keratomileusis." Like its concrete counterpart, LASIK eye surgical treatment is another kind of vision correction. The only difference is that with this kind of surgery, one's vision is remedied permanently.
With LASIK eye surgical treatment, 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 create a threadlike, rounded "flap" in the cornea using a blade referred to 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
Amidst the growing popularity of LASIK eye surgery, there are still disadvantages that people should understand. Probably, the main reason that this kind of eye surgical treatment has actually become well accepted is because many of its cases had actually succeeded.
Nevertheless, in spite of its success, there are still some downsides. Here is the list:
1. It is an operation used to the most sensitive part of the eye
Since LASIK eye surgery includes the operation of the retina, which is among the most sensitive parts of the eye, the majority of people state that the operation can be very risky.
Simply puts, a basic error might nearly cause an individual's life time blindness. It is essential to think click for more about many factors before deciding whether LASIK eye surgical treatment is the best restorative measure one has to go through.
2. It is not a perfect treatment
LASIK eye surgical treatment might correct your vision however it does not always suggest that it can provide you a twenty-twenty. Even if statistical reports reveal that 70% of the patients may have 20/20 vision, this does not necessarily imply they have perfect vision as well.
Provided all these things, it can be deduced that, in spite of the appeal of the operation, LASIK may not constantly be the perfect eye surgical treatment the method many people see it
On the other hand, the assessment of the structural part of the eye might be made in numerous methods. It should be well kept in mind that a client with an eye problem may have other problems. Frequently other physical conditions are main and affect the eye as a consequence. The appearance of the eye can alert the client and the physician to problems in some disruptions of other parts of the body even before other signs provide themselves.
Like its concrete counterpart, LASIK eye surgical treatment is another type of vision correction.