The eye can be examined with relative ease as to both its function and its structure. A functional evaluation includes the ability to move in the orbit and the response of the student to light and lodging.
The function of the eye might be checked in several ways. The client might be asked to identify illuminated letter or items of differing sizes on what is understood as the Snellen chart.
On the other hand, the evaluation of the structural part of the eye may be made in several methods. Tension within the eyeball is determined by a "tonometer." In specific diseases, particularly in glaucoma, the stress in the eyeball is increased noticeably.
Nevertheless, it should be well bore in mind that a client with an eye problem might have other issues also. Often other physical conditions are main and affect the eye as a repercussion. The look of the eye can signal the physician and the patient to problems in some disruptions of other parts of the body even prior to other signs provide themselves.
Subsequently, one's dependence on sight is emphasized when one faces a possible or short-lived irreversible loss of this essential sense. For this reason, when restorative measures are looked for, specific types of vision correction such as contact lenses or spectacles are prescribed.
On the other hand, some individuals are troubled with the truth that they have actually some framed lenses or contact lenses in front of their eyes.
For this reason, advanced surgical operations were established to encourage reduced usage of contact lenses or glasses. Among which is the now popular LASIK eye surgical treatment.
Basically, LASIK eye surgical treatment is the short term for "Laser-Assisted In Situ Keratomileusis." Like its tangible equivalent, LASIK eye surgery is another form of vision correction. The only difference is that with this type of surgical treatment, one's vision is fixed permanently.
With LASIK eye surgery, the refractive mistakes in the cornea are completely changed. This can be done using an "excimer laser."
The primary function 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, enabling much better the eye to direct more light into the retina.
Appeal vs. Disadvantages
In the middle of the growing appeal of LASIK eye surgery, there are still disadvantages that people must know. Probably, the main reason that this type of eye surgery has become well accepted is due to the fact that the majority of its cases had actually succeeded.
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
Because LASIK eye surgical treatment includes the operation of the retina, which is among the most sensitive parts of the eye, many individuals state that the operation can be really dangerous.
Simply puts, a simple mistake could practically trigger an individual's life time loss of sight. Hence, it is essential to think about numerous aspects prior to deciding whether LASIK eye surgical treatment is the best corrective procedure one has to undergo.
2. It is not a perfect procedure
LASIK eye surgical treatment might remedy your vision however it does not necessarily indicate that it can give you a perfect vision. Even if analytical reports reveal that 70% of the clients might have 20/20 vision, this does not always indicate they have perfect vision also.
Given all these things, it can be deduced that, in spite of site the appeal of the operation, LASIK might not constantly be the perfect eye surgery the way the majority of individuals view it
Conversely, the assessment of the structural part of the eye may be made in a number of ways. It should be well remembered that a client with an eye problem may have other problems. Typically other physical conditions are main and affect the eye as a consequence. The appearance of the eye can signal the patient and the doctor to problems in some disruptions of other parts of the body even before other symptoms present themselves.
Like its tangible counterpart, LASIK eye surgical treatment is another kind of vision correction.