The eye can be examined with relative ease regarding both its function and its structure. A practical assessment includes the capability to move in the orbit and the response of the student to light and lodging.
The function of the eye might be tested in numerous ways. The client might be asked to determine illuminated letter or objects of differing sizes on exactly what is known as the Snellen chart.
On the other hand, the evaluation of the structural part of the eye might be made in a number of methods. Tension within the eyeball is determined by a "tonometer." In specific diseases, specifically in glaucoma, the tension in the eyeball is increased markedly.
It needs to be well kept in mind that a client 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 notify the doctor and the patient to problems in some disruptions of other parts of the body even before other signs present themselves.
One's dependence on sight is emphasized when one deals with a short-term or possible permanent loss of this crucial sense. For this reason, when corrective steps are looked for, particular forms of vision correction such as contact lenses or eyeglasses are prescribed.
On the other hand, some people are troubled with that they have some framed lenses or contact lenses in front of their eyes.
For this reason, advanced surgical operations were established to motivate 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 counterpart, LASIK eye surgical treatment is another type of vision correction. The only difference is that with this kind of surgical treatment, one's vision is fixed permanently.
With LASIK eye surgical treatment, the refractive errors in the cornea are permanently 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 utilizing a blade referred to as "microkeratome." In a series of unfolding and laser processing, the cornea is lastly reformed, enabling better the eye to direct more light into the retina.
Appeal vs. Disadvantages
In the middle of the growing popularity of LASIK eye surgery, there are still disadvantages that people need to understand. Probably, the primary reason that this type of eye surgery has become well accepted is due to the fact that the majority 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 applied to the most delicate part of the eye
Since LASIK eye surgical treatment includes the operation of the retina, which is among the most sensitive parts of the eye, a lot of individuals state that the operation can be extremely dangerous.
In other words, a basic mistake could nearly cause an person's life time blindness. For this reason, it is very important to think about lots of factors before deciding whether LASIK eye surgery is the ideal corrective step one has to go through.
2. It is not a best treatment
LASIK eye surgical treatment may remedy your vision but it does not necessarily indicate that it can offer you a twenty-twenty. Even if analytical reports reveal that 70% of the clients might have 20/20 vision, this does not always suggest they have perfect vision too.
Offered all these things, it can be deduced that, in spite of the popularity of the operation, LASIK may not constantly be the perfect eye surgical treatment the method the majority of people see it
Alternatively, the evaluation of the structural part of the eye may be made in a number of ways. It should be well kept in mind that a client with an eye issue might have other problems. Typically other physical conditions are main and affect the eye as a consequence. The look next of the eye can signal the doctor and the patient to difficulties in some disruptions of other parts of the body even before other signs present themselves.
Like its concrete counterpart, LASIK eye surgery is another kind of vision correction.