The eye can be analyzed with relative ease as to both its function and its structure. A practical evaluation includes the ability to move in the orbit and the reaction of the student to light and lodging.
The function of the eye may be checked in numerous ways. The client may be asked to recognize illuminated letter or objects of differing sizes on exactly what is called the Snellen chart.
On the other hand, the examination of the structural part of the eye may be made in several ways. Stress within the eyeball is determined by a "tonometer." In specific illness, especially in glaucoma, the tension in the eyeball is increased significantly.
However, it should be well kept in mind that a patient with an eye problem might have other problems also. Frequently other physical conditions are main and impact the eye as a consequence. The appearance of the eye can notify the client and the doctor to troubles in some disruptions of other parts of the body even prior to other signs provide themselves.
Subsequently, one's reliance on sight is emphasized when one deals with a possible or temporary permanent loss of this vital sense. Thus, when restorative measures are sought, certain kinds of vision correction such as contact lenses or spectacles are prescribed.
On the other hand, some individuals are troubled with the reality that they have some framed lenses or contact lenses in front of their eyes.
For this reason, advanced surgical operations were established to motivate decreased usage of contact lenses or glasses. One of which is the now popular LASIK eye surgical treatment.
Generally, LASIK eye surgical treatment is the short term for "Laser-Assisted In Situ Keratomileusis." Like its concrete counterpart, LASIK eye surgical treatment is another kind of vision correction. The only difference is that with this type of surgery, one's vision is corrected completely.
With LASIK eye surgery, the refractive mistakes in the cornea are permanently changed. This can be done utilizing an "excimer laser."
The main purpose of this surgical treatment is to produce a threadlike, rounded "flap" in the cornea utilizing a blade called "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
In the middle of the growing popularity of LASIK eye surgery, there are still disadvantages that people need to understand. Probably, the main factor why this kind of eye surgery has ended up being well accepted is because most of its cases had actually achieved success.
Nevertheless, in spite of its success, there are still some drawbacks. Here is the list:
1. It is an operation used to the most delicate part of the eye
Because LASIK eye surgery includes the operation of the retina, which is among the most delicate portions of the eye, a lot of individuals state that the operation can be extremely risky.
To puts it simply, a simple error read here could practically trigger an person's lifetime blindness. It is essential to consider many factors prior to choosing whether LASIK eye surgical treatment is the right restorative measure one has to go through.
2. It is not a perfect procedure
LASIK eye surgery might remedy your vision however it does not necessarily mean that it can provide you a perfect vision. Even if analytical reports show that 70% of the clients may have 20/20 vision, this does not necessarily mean they have perfect vision.
Given all these things, it can be deduced that, in spite of the popularity of the operation, LASIK may not always be the perfect eye surgery the way the majority of people see it
Conversely, the examination of the structural part of the eye may be made about his in a number of methods. It ought to be well kept in mind that a client with an eye problem may have other issues. Often other physical conditions are primary and impact the eye as a effect. The appearance of the eye can notify the physician and the patient to problems in some disruptions of other parts of the body even prior to other signs provide themselves.
Like its concrete equivalent, LASIK eye surgery is another type of vision correction.