The eye can be analyzed with relative ease regarding both its function and its structure. A practical assessment includes the ability to relocate the orbit and the response of the student to light and accommodation.
The function of the eye might be evaluated in numerous ways. The patient may be asked to recognize illuminated letter or objects of varying sizes on what is referred to as the Snellen chart.
Alternatively, the evaluation of the structural part of the eye might be made in a number of methods. Stress within the eyeball is measured by a "tonometer." In specific illness, particularly in glaucoma, the stress in the eyeball is increased significantly.
It must be well kept in mind that a patient with an eye problem might have other issues. Typically other physical conditions are primary and affect the eye as a repercussion. The look of the eye can alert the doctor and the client to troubles in some disturbances of other parts of the body even before other symptoms present themselves.
As a result, one's reliance on sight is stressed when one deals with a possible or momentary irreversible loss of this vital sense. Thus, when corrective steps are looked for, specific types of vision correction such as contact lenses or glasses are recommended.
On the other hand, some people are troubled with the reality that they have actually some framed lenses or contact lenses in front of their eyes.
For this reason, advanced surgical operations were developed to encourage decreased usage of contact lenses or glasses. Among which is the now popular LASIK eye surgery.
Basically, LASIK eye surgical treatment is the short-term for "Laser-Assisted In Situ Keratomileusis." Like its tangible counterpart, LASIK eye surgery is another form of vision correction. The only distinction is that with this kind of surgical treatment, one's vision is fixed permanently.
With LASIK eye surgery, the refractive errors in the cornea are completely changed. This can be done using an "excimer laser."
The primary function of this surgery is to develop a threadlike, rounded "flap" in the cornea utilizing a blade known as "microkeratome." In a series of unfolding and laser processing, the cornea is lastly reformed, enabling better the eye to direct more light into the retina.
Appeal vs. Disadvantages
Amidst the growing appeal of LASIK eye surgery, there are still disadvantages that people should know. Most likely, the main factor why this type of eye surgical treatment has ended up being well accepted is since many of its cases had been effective.
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
Since LASIK eye surgical treatment involves 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.
To puts it simply, a simple error might almost cause an person's life time blindness. Thus, it is essential to consider numerous aspects before deciding whether LASIK eye surgery is the ideal corrective step one needs to go through.
2. It is not a perfect procedure
LASIK eye surgery may correct your vision but it does not necessarily suggest that it can offer you a perfect vision. Even if statistical reports show that 70% of the patients might have 20/20 vision, this does not always look at this now suggest they have perfect vision.
Offered all these things, it can be deduced that, in spite of the appeal of the operation, LASIK might not constantly be the perfect eye surgery the way the majority of people see it
On the other hand, the evaluation of the structural part of the eye might be made in several ways. It ought to be well remembered that a patient with an eye problem might have other issues. Often other physical conditions are main and impact the eye as a effect. The look of the eye can alert the patient and the doctor to problems in some disruptions of other parts of the body even before other symptoms present themselves.
Like its concrete counterpart, LASIK eye surgery is another kind of vision correction.