The eye can be analyzed with relative ease as to both its function and its structure. A practical evaluation includes the ability to relocate the orbit and the reaction of the student to light and accommodation.
The function of the eye may be tested in numerous ways. The client may be asked to recognize illuminated letter or items of varying sizes on what is referred to as the Snellen chart.
Alternatively, the assessment of the structural part of the eye might be made in several ways. Tension within the eyeball is measured by a "tonometer." In specific diseases, especially in glaucoma, the stress in the eyeball is increased considerably.
However, it ought to be well bore in mind that a patient with an eye issue may have other problems as well. Typically other physical conditions are main and affect the eye as a consequence. The look of the eye can signal the physician 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 highlighted when one faces a momentary or possible long-term loss of this vital sense. Thus, when restorative steps are sought, particular forms of vision correction such as contact lenses or eyeglasses are prescribed.
On the other hand, some people are bothered with that they have actually some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgical operations were established to encourage decreased usage of contact lenses or glasses. Among which is the now popular LASIK eye surgical treatment.
Basically, LASIK eye surgery is the short-term for "Laser-Assisted In Situ Keratomileusis." Like its tangible counterpart, LASIK eye surgery is another type of vision correction. The only distinction is that with this kind of surgery, one's vision is fixed permanently.
With LASIK eye surgery, the refractive mistakes in the cornea are permanently transformed. This can be done utilizing an "excimer laser."
The primary function of this surgery 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 finally reformed, allowing better the eye to direct more light into the retina.
Appeal vs. Disadvantages
Amidst the growing appeal of LASIK eye surgical treatment, there are still disadvantages that people should understand. Probably, the main reason that this kind of eye surgical treatment has become well accepted is because the majority of its cases had succeeded.
Nevertheless, 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 includes the operation of the retina, which is one of the most sensitive parts of the eye, a lot of people state that the operation can be extremely dangerous.
In other words, a basic error might practically cause an individual's life time blindness. Hence, it is essential to official statement consider lots of elements prior to deciding whether LASIK eye surgery is the right corrective measure one has to go through.
2. It is not a perfect treatment
LASIK eye surgical treatment may fix your vision however it does not always indicate 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 necessarily imply they have perfect vision also.
Provided all these things, it can be deduced that, in spite of the appeal of the operation, LASIK might not constantly be the ideal eye surgery the way many people view it
On the other hand, the assessment of the structural part of the eye may be made in a number of ways. It ought to be well kept in mind that a patient with an eye issue may have other issues. Typically other physical conditions are main and impact the eye as a repercussion. The look of the eye can notify the physician and the client to problems in some disturbances of other parts of the body even before other signs provide themselves.
Like its tangible equivalent, LASIK eye surgery is another kind of vision correction.