The eye can be analyzed with relative ease as to both its function and its structure. A practical assessment consists of the ability to relocate the orbit and the response of the student to light and accommodation.
The function of the eye may be tested in numerous ways. The client might be asked to recognize illuminated letter or things of varying sizes on exactly what is referred to as the Snellen chart.
On the other hand, the evaluation of the structural part of the eye might be made in a number of ways. Stress within the eyeball is determined by a "tonometer." In particular illness, especially in glaucoma, the stress in the eyeball is increased markedly.
Nevertheless, it must be well bore in mind that a patient with an eye problem might have other issues as well. Typically other physical conditions are main and affect the eye as a consequence. The appearance of the eye can inform the client and the physician to difficulties in some disturbances of other parts of the body even prior to other signs provide themselves.
As a result, one's reliance on sight is emphasized when one deals with a possible or momentary permanent loss of this vital sense. Thus, when corrective procedures are sought, particular kinds of vision correction such as contact lenses or spectacles are prescribed.
On the other hand, some individuals are troubled with that they have actually some framed lenses or contact lenses in front of their eyes.
For this reason, advanced surgical operations were established to encourage reduced usage of contact lenses or glasses. One of which is the now popular LASIK eye surgery.
Basically, LASIK eye surgery is the short term for "Laser-Assisted In Situ Keratomileusis." Like its concrete equivalent, LASIK eye surgery is another kind of vision correction. The only difference is that with this type of surgery, one's vision is corrected completely.
With LASIK eye surgery, the refractive mistakes in the cornea are permanently changed. This can be done using an "excimer laser."
The main purpose of this surgical treatment is to create a threadlike, rounded "flap" in the cornea utilizing a blade known as "microkeratome." In a series of unfolding and laser processing, the cornea is lastly reformed, allowing much 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 need to understand. Probably, the primary reason that this type of eye surgical treatment has ended up being well accepted is since many of its cases had been successful.
However, 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
Since LASIK eye surgical treatment includes the operation of the retina, which is among the most helpful site sensitive portions of the eye, the majority of people say that the operation can be really dangerous.
In other words, a simple error might almost trigger an individual's lifetime blindness. Hence, it is essential to consider many aspects before choosing whether LASIK eye surgical treatment is the best restorative step one needs to undergo.
2. It is not a perfect treatment
LASIK eye surgical treatment may remedy your vision however it does not always indicate that it can give you a ideal vision. Even if statistical reports reveal that 70% of the patients may have 20/20 vision, this does not necessarily indicate they have perfect vision.
Offered all these things, it can be deduced that, in spite of the appeal of the operation, LASIK might not constantly be the ideal eye surgical treatment the way the majority of people view it
On the other hand, the evaluation of the structural part of the eye might be made in several methods. It must be well remembered that a client with an eye problem might have other problems. Frequently other physical conditions are primary and affect the eye as a effect. The appearance of the eye can alert the client and the doctor to problems in some disturbances of other parts of the body even before other signs present themselves.
Like its concrete counterpart, LASIK eye surgical treatment is another type of vision correction.