The eye can be analyzed with relative ease as to both its function and its structure. A functional examination includes the ability to relocate the orbit and the reaction of the student to light and accommodation.
The function of the eye might be evaluated in several ways. The client may be asked to identify illuminated letter or items of varying sizes on what is referred to as the Snellen chart.
Alternatively, the evaluation of the structural part of the eye might be made in several ways. Stress within the eyeball is measured by a "tonometer." In particular diseases, particularly in glaucoma, the stress in the eyeball is increased significantly.
It should be well kept in mind that a client with an eye issue might have other problems. Typically other physical conditions are primary and affect the eye as a repercussion. The look of the eye can notify the client and the physician to troubles in some disruptions of other parts of the body even before other symptoms provide themselves.
One's reliance on sight is stressed when one deals with a short-lived or possible permanent loss of this important sense. Thus, when corrective steps are sought, specific forms 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 factor, advanced surgeries were developed to encourage decreased utilization 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 counterpart, LASIK eye surgery is another form of vision correction. The only distinction is that with this kind of surgical treatment, one's vision is fixed permanently.
With LASIK eye surgery, the refractive mistakes in the cornea are completely transformed. This can be done using an "excimer laser."
The primary purpose of this surgery is to develop a threadlike, rounded "flap" in the cornea using a blade known as "microkeratome." In a series of unfolding and laser processing, the cornea is lastly reformed, permitting better the eye to direct more light into the retina.
Popularity vs. Disadvantages
In the middle of the growing popularity of LASIK eye surgical treatment, there are still disadvantages that people need to know. Probably, the primary reason why this kind of eye surgery has actually ended up being well accepted is because many of its cases had been successful.
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 surgery includes the operation of the retina, which is among the most sensitive parts of the eye, many individuals state that the operation can be extremely dangerous.
In other words, a easy mistake might almost trigger an person's life time blindness. It is important to consider lots of aspects prior to deciding whether LASIK eye surgery is the right corrective step one has to go through.
2. It is not a best treatment
LASIK eye surgery may fix your vision however it does not always suggest that it can offer you a best vision. Even if statistical reports show that 70% of the patients may have 20/20 vision, this does not necessarily indicate they have perfect vision too.
Provided all these things, it can be deduced that, in spite of the popularity of the operation, LASIK may not always be the ideal eye surgery the way many people see it
Conversely, the assessment of the structural part of the eye might be made in numerous methods. It needs to be well kept in mind that a client with an eye issue might have other problems. Often other physical conditions are primary and affect the eye as a effect. The look of the eye can inform the client and Your Domain Name the physician to troubles in some disruptions of other parts of the body even before other symptoms present themselves.
Like its concrete equivalent, LASIK eye surgery is another type of vision correction.