The eye can be taken a look at with relative ease as to both its function and its structure. A functional evaluation consists of the ability to move in the orbit and the response of the student to light and accommodation.
The function of the eye may be evaluated in a number of ways. The patient may be asked to determine illuminated letter or objects of varying sizes on exactly what is referred to as the Snellen chart.
Alternatively, the evaluation of the structural part of the eye may be made in a number of methods. Tension within the eyeball is determined by a "tonometer." In particular illness, specifically in glaucoma, the tension in the eyeball is increased noticeably.
It ought to be well remembered that a patient with an eye problem might have other issues. Often other physical conditions are primary and impact the eye as a consequence. The look of the eye can inform the physician and the patient to problems in some disruptions of other parts of the body even before other signs provide themselves.
One's dependence on sight is highlighted when one deals with a possible or short-lived permanent loss of this vital sense. When corrective steps are sought, certain forms of vision correction such as contact lenses or eyeglasses are prescribed.
On the other hand, some individuals are troubled with that they have some framed lenses or contact lenses in front of their eyes.
For this reason, advanced surgeries were developed to encourage decreased usage of contact lenses or glasses. Among which is the now popular LASIK eye surgery.
Essentially, 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 surgery, one's vision is fixed permanently.
With LASIK eye surgical treatment, the refractive mistakes in the cornea are permanently changed. This can be done using an "excimer laser."
The main function of this surgery is to develop a threadlike, rounded "flap" in the cornea utilizing a blade understood as additional hints "microkeratome." In a series of unfolding and laser processing, the cornea is finally reformed, permitting much better the eye to direct more light into the retina.
Popularity vs. Disadvantages
Amidst the growing appeal of LASIK eye surgery, there are still disadvantages that individuals should know. Probably, the primary reason this type of eye surgical treatment has become well accepted is due to the fact that the majority of its cases had actually been effective.
In spite of its success, there are still some drawbacks. Here is the list:
1. It is an operation applied to the most delicate part of the eye
Because LASIK eye surgical treatment involves the operation of the retina, which is among the most sensitive parts of the eye, many people state that the operation can be extremely dangerous.
Simply puts, a basic mistake could practically cause an individual's lifetime loss of sight. It is important to consider many aspects prior to like it choosing whether LASIK eye surgical treatment is the right corrective procedure one has to undergo.
2. It is not a ideal procedure
LASIK eye surgical treatment may fix your vision however it does not necessarily indicate that it can offer you a ideal vision. Even if analytical reports show that 70% of the patients may have 20/20 vision, this does not always indicate they have perfect vision.
Provided 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 the majority of individuals see it
Conversely, the examination of the structural part of the eye might be made in a number of ways. It must be well remembered that a patient with an eye problem may have other problems. Often other physical conditions are main and impact the eye as a effect. The appearance of the eye can inform the doctor and the client to troubles in some disruptions of other parts of the body even prior to other symptoms provide themselves.
Like its concrete equivalent, LASIK eye surgery is another type of vision correction.