The eye can be examined with relative ease as to both its function and its structure. A practical evaluation consists of the ability to relocate the orbit and the response of the student to light and accommodation.
The function of the eye may be evaluated in numerous methods. The client may be asked to identify 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 might be made in a number of methods. Stress within the eyeball is measured by a "tonometer." In certain diseases, especially in glaucoma, the stress in the eyeball is increased markedly.
Nevertheless, it needs to be well kept in mind that a patient with an eye problem might have other problems as well. Typically other physical conditions are primary and affect the eye as a consequence. The appearance of the eye can notify the physician and the patient to difficulties in some disruptions of other parts of the body even prior to other symptoms present themselves.
Consequently, one's dependence on sight is emphasized when one deals with a short-term or possible irreversible loss of this essential sense. Thus, when restorative steps are looked for, specific forms of vision correction such as contact lenses or glasses are recommended.
On the other hand, some people are troubled with the fact that they have some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgical operations were established to encourage reduced usage of contact lenses or glasses. Among which is the now popular LASIK eye surgery.
Generally, LASIK eye surgical treatment is the short-term for "Laser-Assisted In Situ Keratomileusis." Like its tangible counterpart, LASIK eye surgical treatment is another kind of vision correction. The only difference is that with this type of surgical treatment, one's vision is corrected completely.
With LASIK eye surgical treatment, the refractive mistakes in the cornea are completely changed. This can be done using an "excimer laser."
The main purpose of this surgery 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, permitting much better the eye to direct more light into the retina.
Appeal vs. Disadvantages
In the middle of the growing appeal of LASIK eye surgical treatment, there are still disadvantages that individuals need to understand. Probably, the main reason that this kind of eye surgical treatment has actually become well accepted is since most of its cases had actually been successful.
However, 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
Due to the fact that LASIK eye surgery involves the operation of the retina, which is among the most sensitive portions of the eye, most individuals recommended you read say that the operation can be really dangerous.
In other words, a easy mistake could almost cause an person's life time blindness. It is important to consider lots of aspects before deciding whether LASIK eye surgical treatment is the right restorative step one has to go through.
2. It is not a perfect procedure
LASIK eye surgical treatment might fix your vision however it does not always imply that it can offer you a twenty-twenty. Even if statistical reports reveal that 70% of the clients may have 20/20 vision, this does not always suggest they have perfect vision.
Offered all these things, it can be deduced that, in spite of the popularity of the operation, LASIK might not always be the perfect eye surgical treatment the method many people view it
Alternatively, the assessment of the structural part of the eye might be made in several methods. It ought to be well kept in mind that a patient with an eye problem may have other issues. Frequently other physical conditions are main and affect the eye as a consequence. The appearance of the eye can notify the patient and the physician to troubles in some disruptions of other parts of the body even before other symptoms present themselves.
Like its tangible equivalent, LASIK eye surgical treatment is another type of vision correction.