The eye can be examined with relative ease as to both its function and its structure. A functional evaluation includes the ability to relocate the orbit and the response of the student to light and lodging.
The function of the eye might be tested in a number of ways. The patient may be asked to recognize illuminated letter or items of differing sizes on what is called the Snellen chart.
Conversely, the assessment of the structural part of the eye may be made in a number of methods. Stress within the eyeball is measured by a "tonometer." In particular diseases, specifically in glaucoma, the tension in the eyeball is increased noticeably.
Nevertheless, it needs to be well bore in mind that a patient with an eye problem might have other problems also. Frequently other physical conditions are main and affect the eye as a consequence. The look of the eye can notify the doctor and the client to troubles in some disturbances of other parts of the body even prior to other symptoms present themselves.
One's dependence on sight is highlighted when one deals with a short-term or possible permanent loss of this important sense. When restorative measures are sought, particular kinds of vision correction such as contact lenses or eyeglasses are prescribed.
On the other hand, some individuals are bothered with the truth that they have some framed lenses or contact lenses in front of their eyes.
For this reason, advanced surgical operations were developed to motivate decreased usage of contact lenses or glasses. Among which is the now popular LASIK eye surgery.
Essentially, LASIK eye surgical treatment is the brief term for "Laser-Assisted In Situ Keratomileusis." Like its tangible counterpart, LASIK eye surgery is another kind of vision correction. The only difference is that with this kind of surgical treatment, one's vision is fixed completely.
With LASIK eye surgical treatment, the refractive errors 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 called "microkeratome." In a series of unfolding and laser processing, the cornea is finally reformed, permitting better the eye to direct more light into the retina.
Appeal vs. Disadvantages
Amidst the growing popularity of LASIK eye surgical treatment, there are still disadvantages that individuals should know. Most likely, the main reason this type of eye surgery has actually ended up being well accepted is since the majority of its cases had actually achieved success.
In spite of its success, there are still some drawbacks. Here is the list:
1. It is an operation used 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 sensitive parts of the eye, many people state that the operation can be extremely risky.
To puts it simply, a basic error could almost trigger an individual's life time loss of sight. Hence, it is necessary to think about lots of factors before choosing whether LASIK eye surgical treatment is the right corrective step one needs to go through.
2. It is not a best procedure
LASIK eye surgery may remedy your vision but it does not always imply that it can give you a twenty-twenty. Even if statistical reports show that 70% of the patients might have 20/20 vision, this does not this link necessarily suggest they have ideal vision.
Provided all these things, it can be deduced that, in spite of the popularity of the operation, LASIK might not always be the perfect eye surgery the method the majority of people see it
On the other hand, the assessment of the structural part of the eye might be made in numerous ways. It must be well remembered that a client with an eye issue might have other problems. Often other physical conditions are primary and affect the eye as a consequence. The appearance of the eye can alert the doctor and the client to difficulties 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.