The eye can be examined with relative ease as to both its function and its structure. A functional evaluation includes the ability to relocate the orbit and the response of the student to light and accommodation.
The function of the eye might be tested in a number of ways. The client might be asked to determine illuminated letter or items of varying sizes on exactly what is referred to as the Snellen chart.
On the other hand, the examination of the structural part of the eye may be made in a number of ways. Tension within the eyeball is determined by a "tonometer." In particular diseases, especially in glaucoma, the stress in the eyeball is increased noticeably.
It should be well kept in mind that a client with an eye problem may have other problems. Often other physical conditions are main and affect the eye as a effect. The appearance of the eye can notify the physician and the patient to difficulties in some disruptions of other parts of the body even before other symptoms present themselves.
Consequently, one's dependence on sight is stressed when one deals with a possible or short-term irreversible loss of this vital sense. Thus, when restorative measures are looked for, certain types 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 encourage reduced usage of contact lenses or glasses. Among which is the now popular LASIK eye surgical treatment.
Generally, LASIK eye surgical treatment is the brief term for "Laser-Assisted In Situ Keratomileusis." Like its concrete equivalent, LASIK eye surgical treatment is another kind of vision correction. The only distinction is Going Here that with this type of surgery, one's vision is corrected permanently.
With LASIK eye surgery, the refractive errors 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 using a blade called "microkeratome." In a series of unfolding and laser processing, the cornea is lastly reformed, allowing much better the eye to direct more light into the retina.
Appeal vs. Disadvantages
Amidst the growing appeal of LASIK eye surgery, there are still disadvantages that individuals should know. Probably, the main reason this type of eye surgery has become well accepted is due to the fact that many of its cases had been successful.
Nevertheless, 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 among the most sensitive parts of the eye, most people state that the operation can be extremely dangerous.
In other words, a basic error might almost trigger an individual's lifetime loss of sight. Hence, it is necessary to think about lots of factors prior to choosing whether LASIK eye surgery is the right restorative procedure one has to undergo.
2. It is not a perfect procedure
LASIK eye surgery may correct your vision but it does not always suggest that it can give you a twenty-twenty. Even if statistical reports show that 70% of the patients might have 20/20 vision, this does not always suggest they have perfect vision.
Given all these things, it can be deduced that, in spite of the appeal of the operation, LASIK might not constantly be the perfect eye surgical treatment the way many people view it
Conversely, the evaluation of the structural part of the eye may be made in several methods. It needs to be well kept in mind that a patient with an eye issue may have other problems. Often other physical conditions are primary and impact the eye as a repercussion. 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 symptoms provide themselves.
Like its tangible equivalent, LASIK eye surgery is another kind of vision correction.