The eye can be analyzed with relative ease regarding both its function and its structure. A practical evaluation includes 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 several methods. The client may be asked to identify illuminated letter or things of varying sizes on exactly what is called the Snellen chart.
Alternatively, the evaluation of the structural part of the eye might be made in several methods. Stress within the eyeball is measured by a "tonometer." In certain diseases, specifically in glaucoma, the tension in the eyeball is increased noticeably.
It needs to be well kept in mind that a client with an eye issue may have other problems. Frequently other physical conditions are primary and affect the eye as a repercussion. The appearance of the eye can notify the doctor and the client to difficulties in some disturbances of other parts of the body even before other signs present themselves.
Subsequently, one's dependence on sight is stressed when one deals with a possible or temporary permanent loss of this important sense. Thus, when restorative steps are sought, certain forms of vision correction such as contact lenses or eyeglasses are prescribed.
On the other hand, some individuals are bothered with that they have some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgical operations were developed to motivate reduced usage of contact lenses or glasses. One of which is the now popular LASIK eye surgical treatment.
Basically, LASIK eye surgery is the short-term for "Laser-Assisted In Situ Keratomileusis." Like its concrete equivalent, LASIK eye surgical treatment is another type of vision correction. The only difference is that with this type of surgical treatment, one's vision is corrected permanently.
With LASIK eye surgical treatment, the refractive errors in the cornea are completely changed. This can be done using an "excimer laser."
The main purpose of this surgical treatment is to develop 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, enabling much better the eye to direct more light into the retina.
Popularity vs. Disadvantages
Amidst the growing popularity of LASIK eye surgery, there are still disadvantages that individuals need to know. Probably, the main reason that this kind of eye surgical treatment has actually become well accepted is because the majority of its cases had succeeded.
In spite of its success, there are still some downsides. Here is the list:
1. It is an operation applied to the most sensitive part of the eye
Because LASIK eye surgery includes the operation of the retina, which is one of the most sensitive parts of the eye, many people state that the operation can be very dangerous.
In other words, a easy mistake could almost trigger an person's life time blindness. Thus, it is necessary to consider numerous factors before deciding whether LASIK eye surgical treatment is the ideal corrective step one needs to go through.
2. It is not a perfect treatment
LASIK eye surgical treatment might remedy your vision however it does not necessarily mean that it can give you a perfect vision. Even if statistical reports reveal that 70% of the clients may have 20/20 vision, this does not always discover here suggest they have perfect vision.
Offered all these things, it can be deduced that, in spite of the appeal of the operation, LASIK may not always be the ideal eye surgical treatment the way many people see it
Alternatively, the assessment of the structural part of the eye might be made in a number of ways. It should be well kept in mind that a client with an eye problem might have other issues. Typically other physical conditions are primary and affect the eye as a effect. The look of the eye can inform the patient and the physician to problems in some disturbances of other parts of the body even prior to other signs present themselves.
Like its tangible equivalent, LASIK eye surgical treatment is another form of vision correction.