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 several ways. The patient might be asked to identify illuminated letter or items of differing sizes on exactly what is known as the Snellen chart.
Alternatively, the assessment of the structural part of the eye may be made in a number of methods. Stress within the eyeball is measured by a "tonometer." In particular diseases, specifically in glaucoma, the tension in the eyeball is increased noticeably.
It ought to be well kept in mind that a patient with an eye problem may have other problems. Often other physical conditions are main and impact the eye as a repercussion. The appearance of the eye can signal the physician and the patient to problems in some disturbances of other parts of the body even prior to other signs present themselves.
One's reliance on sight is emphasized when one faces a possible or short-lived permanent loss of this vital sense. When restorative procedures are looked for, specific types of vision correction such as contact lenses or eyeglasses are prescribed.
On the other hand, some individuals are troubled with the reality that they have actually some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgical operations were developed to encourage decreased utilization of contact lenses or glasses. Among which is the now popular LASIK eye surgical treatment.
Essentially, LASIK eye surgery is the short term for "Laser-Assisted In Situ Keratomileusis." Like its concrete equivalent, LASIK eye surgery is another form of vision correction. The only difference is that with this kind of surgical treatment, one's vision is fixed completely.
With LASIK eye surgery, the refractive errors in the cornea are completely changed. This can be done using an "excimer laser."
The main function of this surgical treatment is to produce a threadlike, rounded "flap" in the cornea using a blade understood as "microkeratome." In a series of unfolding and laser processing, the cornea is finally reformed, allowing 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 individuals must understand. Probably, the primary reason why this kind of eye surgery has actually become well accepted is since most of its cases had actually succeeded.
In spite of its success, there are still some downsides. Here is the list:
1. It is an operation applied to the most delicate part of the eye
Because LASIK eye surgical treatment includes look these up the operation of the retina, which is one of the most delicate parts of the eye, the majority of people state that the operation can be extremely dangerous.
Simply puts, a basic mistake could practically trigger an individual's lifetime blindness. It is essential to think about many factors before deciding whether LASIK eye surgical treatment is the ideal corrective measure one has to undergo.
2. It is not a ideal treatment
LASIK eye surgical treatment might correct your vision but it does not necessarily imply that it can provide you a twenty-twenty. Even if statistical reports show that 70% of the patients might have 20/20 vision, this does not always mean they have ideal vision.
Given all these things, it can be deduced that, in spite of the popularity of the operation, LASIK might not constantly be the perfect eye surgical treatment the way the majority of people view it
Conversely, the examination of the structural part of the eye might be made in several methods. It needs to be well kept in mind that a patient with an eye issue might have other issues. Typically other physical conditions are main and impact the eye as a effect. The appearance of the eye can inform the physician and the patient to difficulties in some disturbances of other parts of the body even prior to other symptoms provide themselves.
Like its concrete counterpart, LASIK eye surgical treatment is another kind of vision correction.