The eye can be examined with relative ease regarding both its function and its structure. A functional assessment includes the capability to move in the orbit and the response of the student to light and accommodation.
The function of the eye might be tested in numerous ways. The patient might be asked to identify illuminated letter or items of differing sizes on what is understood as the Snellen chart.
Conversely, the evaluation of the structural part of the eye might be made in several ways. Tension within the eyeball is determined by a "tonometer." In certain diseases, specifically in glaucoma, the stress in the eyeball is increased significantly.
Nevertheless, it should be well bore in mind that a client with an eye issue may have other problems also. Often other physical conditions are primary and affect the eye as a effect. The look of the eye can alert the patient and the physician to difficulties in some disturbances of other parts of the body even prior to other symptoms present themselves.
One's reliance on sight is highlighted when one faces a short-lived or possible irreversible loss of this crucial sense. When restorative measures are looked for, specific kinds of vision correction such as contact lenses or spectacles are prescribed.
On the other hand, some people are troubled with the fact that they have some framed lenses or contact lenses in front of their eyes.
For this reason, advanced surgical operations were developed to encourage decreased utilization of contact lenses or glasses. One of which is the now popular LASIK eye surgery.
Generally, LASIK eye surgery 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 surgical treatment, one's vision is corrected completely.
With LASIK eye surgery, the refractive errors in the cornea are permanently changed. This can be done using an "excimer laser."
The main function of this surgery is to produce a threadlike, rounded "flap" in the cornea utilizing a blade referred to as "microkeratome." In a series of unfolding and laser processing, the cornea is lastly reformed, index enabling much better the eye to direct more light into the retina.
Popularity vs. Disadvantages
Amidst the growing popularity of LASIK eye surgical treatment, there are still disadvantages that people must understand. Probably, the primary reason why this kind of eye surgical treatment has actually become well accepted is since the majority of its cases had actually been successful.
However, in spite of its success, there are still some downsides. Here is the list:
1. It is an operation used to the most sensitive part of the eye
Since LASIK eye surgery includes the operation of the retina, which is one of the most delicate parts of the eye, many people state that the operation can be really dangerous.
To puts it simply, a easy mistake could nearly trigger an individual's life time blindness. Thus, it is necessary to think about lots of factors prior to choosing whether LASIK eye surgery is the best corrective step one has to go through.
2. It is not a ideal procedure
LASIK eye surgery might remedy your vision but it does not always indicate that it can provide you a best vision. Even if analytical reports you could try these out show that 70% of the patients might have 20/20 vision, this does not always suggest they have ideal vision also.
Provided all these things, it can be deduced that, in spite of the popularity of the operation, LASIK might not always be the ideal eye surgery the way many people view it
Conversely, the assessment of the structural part of the eye might be made in numerous methods. It should be well remembered that a client with an eye problem might have other problems. Typically other physical conditions are main and impact the eye as a repercussion. The appearance of the eye can inform the client and the physician to problems in some disturbances of other parts of the body even before other symptoms provide themselves.
Like its concrete counterpart, LASIK eye surgery is another type of vision correction.