The eye can be analyzed with relative ease as to both its function and its structure. A functional examination consists of 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 might be asked to recognize illuminated letter or items of differing sizes on what is called the Snellen chart.
On the other hand, the examination of the structural part of the eye might be made in a number of methods. Stress within the eyeball is measured by a "tonometer." In particular illness, particularly in glaucoma, the stress in the eyeball is increased considerably.
However, it should be well kept in mind that a patient with an eye issue may have other problems also. Frequently other physical conditions are main and impact the eye as a repercussion. The look of the eye can notify the client and the doctor to troubles in some disturbances of other parts of the body even before other signs present themselves.
One's dependence on sight is highlighted when one deals with a possible or temporary long-term loss of this vital sense. Thus, when corrective measures are sought, certain types of vision correction such as contact lenses or eyeglasses are prescribed.
On the other hand, some people are bothered with the reality that they have actually some framed lenses or contact lenses in front of their eyes.
For this reason, advanced surgical operations were developed to motivate reduced usage of contact lenses or glasses. Among which is the now popular LASIK eye surgery.
Basically, LASIK eye surgery is the short-term for "Laser-Assisted In Situ Keratomileusis." Like its tangible equivalent, LASIK eye surgical treatment is another form of vision correction. The only difference is that with this kind of surgical treatment, one's vision is fixed completely.
With LASIK eye surgery, the refractive errors in the cornea are completely changed. This can be done utilizing an "excimer laser."
The primary function of this surgery is to create a threadlike, rounded "flap" in the cornea utilizing 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 need to know. Probably, the primary reason that this kind of eye surgery has actually become well accepted is due to the fact that the majority of its cases had actually been effective.
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
Due to the fact that LASIK eye surgical treatment includes the operation of the retina, which is one of the most delicate parts of the eye, many people say that the operation can be extremely dangerous.
To puts it simply, a simple error might nearly cause an person's lifetime loss of sight. Hence, it is essential to think about many elements prior to choosing whether LASIK eye surgery is the right corrective step one has to go through.
2. It is not a ideal procedure
LASIK eye surgical treatment may fix your vision however it does not always indicate that it can provide you a perfect vision. Even if statistical reports reveal that 70% of the clients may have 20/20 vision, this does not always indicate they have ideal vision too.
Offered all these things, it can be deduced that, in spite of the appeal of the operation, LASIK may not always be the perfect eye surgery the way many people view it
On the other hand, the examination of the structural part of the eye might be made in a number of ways. It ought to be well remembered that a patient with an eye problem may have other issues. Frequently other physical conditions are primary and affect the eye as a repercussion. The appearance go of the eye can signal the patient and the doctor to problems in some disturbances of other parts of the body even prior to other signs provide themselves.
Like its concrete counterpart, LASIK eye surgery is another kind of vision correction.