The eye can be examined with relative ease regarding both its function and its structure. A practical evaluation consists of the ability to relocate the orbit and the reaction of the student to light and accommodation.
The function of the eye might be evaluated in several methods. The patient might be asked to identify illuminated letter or things of varying sizes on what is called the Snellen chart.
Alternatively, the evaluation of the structural part of the eye might be made in a number of methods. Tension within the eyeball is determined by a "tonometer." In specific illness, particularly in glaucoma, the stress in the eyeball is increased noticeably.
However, it must be well kept in mind that a patient 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 patient and the doctor to difficulties in some disturbances of other parts of the body even prior to other signs present themselves.
Consequently, one's dependence on sight is stressed when one deals with a momentary or possible long-term loss of this crucial sense. When corrective procedures are looked for, particular types of vision correction such as contact lenses or glasses are prescribed.
On the other hand, some people are bothered with the fact that they have actually some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgeries were established to encourage reduced usage of contact lenses or glasses. One of which is the now popular LASIK eye surgery.
Basically, LASIK eye surgical treatment is the brief 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 kind of surgery, one's vision is corrected completely.
With LASIK eye surgical treatment, the refractive errors in the cornea are completely 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 referred to as "microkeratome." In a series of unfolding and laser processing, the cornea is finally reformed, allowing much better the eye to direct more light into the retina.
Popularity vs. Disadvantages
In the middle of the growing popularity of LASIK eye surgery, there are still disadvantages that individuals must understand. Probably, the primary reason this kind of eye surgery has actually become well accepted is because many 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 applied to the most delicate part of the eye
Because LASIK eye surgical treatment includes the operation of the retina, which is one of the most delicate portions of the eye, a lot of individuals say that the operation can be really dangerous.
Simply puts, a basic error could practically trigger an person's lifetime blindness. It is important to consider numerous aspects prior to deciding whether LASIK eye surgery is the right corrective measure one has to undergo.
2. It is not a ideal procedure
LASIK eye surgery may fix your vision however it does not always suggest that it can give you a twenty-twenty. Even if statistical reports show that 70% of the patients may have 20/20 vision, this does not necessarily mean they have perfect vision.
Offered all these things, it can be deduced that, in spite of the appeal of the operation, LASIK might not always be the ideal eye surgical treatment the method many people see it
Alternatively, the examination of the structural part of the eye might be made in a number of methods. It ought to be well kept in mind that a patient with an eye problem may have her response other problems. Frequently other physical conditions are primary and impact the eye as a effect. The look of the eye can inform the patient and the physician to problems in some disturbances of other parts of the body even prior to other symptoms present themselves.
Like its concrete counterpart, LASIK eye surgical treatment is another type of vision correction.