The eye can be analyzed with relative ease regarding both its function and its structure. A practical assessment includes the ability to move in the orbit and the response of the student to light and accommodation.
The function of the eye may be tested in several ways. The client might be asked to recognize illuminated letter or objects of varying sizes on what is known as the Snellen chart.
Alternatively, the assessment of the structural part of the eye may be made in several methods. Stress within the eyeball is measured by a "tonometer." In certain illness, specifically in glaucoma, the tension in the eyeball is increased significantly.
It should be well kept in mind that a patient with an eye problem might have other problems. Frequently other physical conditions are primary and affect the eye as a effect. The look of the eye can alert the patient and the physician to troubles in some disruptions of other parts of the body even before other signs provide themselves.
Consequently, one's dependence on sight is stressed when one faces a possible or momentary irreversible loss of this important sense. When corrective measures are looked for, specific types of vision correction such as contact lenses or eyeglasses are recommended.
On the other hand, some people are troubled 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 encourage reduced usage of contact lenses or glasses. One of which is the now popular LASIK eye surgical treatment.
Essentially, LASIK eye surgical treatment is the short-term for "Laser-Assisted In Situ Keratomileusis." Like its concrete counterpart, LASIK eye surgery is another type of vision correction. The only difference is that with this kind of surgery, Read Full Article one's vision is remedied permanently.
With LASIK eye surgery, the refractive mistakes in the cornea are permanently changed. This can be done using an "excimer laser."
The main purpose 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 much better the eye to direct more light into the retina.
Popularity vs. Disadvantages
In the middle of the growing appeal of LASIK eye surgery, there are still disadvantages that people should know. Probably, the main reason that this kind of eye surgery has actually become well accepted is because most 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 sensitive 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, the majority of people say that the operation can be extremely risky.
To puts it simply, a basic error could nearly trigger an individual's life time loss of sight. It is important to think about many elements before deciding whether LASIK eye surgical treatment is the best restorative step one has to go through.
2. It is not a perfect treatment
LASIK eye surgery might correct your vision however it does not necessarily suggest that it can offer you a twenty-twenty. Even if statistical reports show that 70% of the patients may have 20/20 vision, this does not necessarily imply they have ideal vision too.
Given all these things, it can be deduced that, in spite of the appeal of the operation, LASIK might not always be the perfect eye surgery the method the majority of people view it
Conversely, the examination of the structural part of the eye might be made in several methods. It needs to be well kept in mind that a client with an eye issue might have other problems. Often other physical conditions are main and impact the eye as a effect. The look of the eye can notify the patient and the doctor to problems in some disturbances of other parts of the body even before other symptoms present themselves.
Like its concrete equivalent, LASIK eye surgical treatment is another type of vision correction.