The eye can be examined with relative ease regarding both its function and its structure. A functional evaluation consists of the ability to move in the orbit and the reaction of the student to light and lodging.
The function of the eye may be tested in a number of ways. The patient may be asked to recognize illuminated letter or things of varying sizes on what is known as the Snellen chart.
Conversely, the examination of the structural part of the eye might be made in several methods. Tension within the eyeball is determined by a "tonometer." In particular illness, especially in glaucoma, the tension in the eyeball is increased considerably.
However, it needs to be well remembered that a client with an eye issue may have other problems as well. Frequently other physical conditions are primary and impact the eye as a effect. The look of the eye can signal the client and the doctor to troubles in some disturbances of other parts of the body even before other symptoms present themselves.
One's dependence on sight is stressed when one faces a temporary or possible permanent loss of this vital sense. Hence, when restorative steps are sought, specific kinds of vision correction such as contact lenses or spectacles are prescribed.
On the other hand, some people are bothered with that they have some framed lenses or contact lenses in front of their eyes.
For this reason, advanced surgeries were established to encourage decreased utilization of contact lenses or glasses. One of which is the now popular LASIK eye surgery.
Essentially, LASIK eye surgical treatment 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 surgical treatment, one's vision is remedied completely.
With LASIK eye surgical treatment, the refractive errors in the cornea are permanently transformed. 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 lastly reformed, enabling much better the eye to direct more light into the retina.
Popularity vs. Disadvantages
Amidst the growing popularity of LASIK eye surgery, there are still disadvantages that people should understand. Most likely, the main reason that this type of eye surgical treatment has actually become informative post well accepted is since the majority of its cases had achieved success.
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 surgery includes the operation of the retina, which is among the most sensitive portions of the eye, most individuals say that the operation can be very dangerous.
To puts it simply, a basic error might practically trigger an person's life time loss of sight. It is essential to consider numerous elements before choosing whether LASIK eye surgical treatment is the right corrective procedure one has to go through.
2. It is not a ideal procedure
LASIK eye surgery may fix your vision however it does not necessarily mean that it can provide you a ideal 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.
Offered all these things, it can be deduced that, in spite of the appeal of the operation, LASIK may not constantly be the perfect eye surgical treatment the way many individuals see it
Alternatively, the examination of the structural part of the eye may be made in a number of methods. It ought to be well remembered 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 appearance of the eye can notify the patient and the physician to difficulties in some disruptions of other parts of the body even before other signs present themselves.
Like its concrete equivalent, LASIK eye surgery is another kind of vision correction.