The eye can be examined with relative ease as to both its function and its structure. A practical evaluation includes the ability to move in the orbit and the response of the student to light and accommodation.
The function of the eye might be evaluated in a number of methods. The client may be asked to recognize illuminated letter or things of differing sizes on what is referred to as the Snellen chart.
Conversely, the examination of the structural part of the eye might be made in several methods. Tension within the eyeball is determined by a "tonometer." In specific diseases, especially in glaucoma, the tension in the eyeball is increased considerably.
It should be well kept in mind that a patient with an eye problem may have other problems. Typically other physical conditions are primary and affect the eye as a repercussion. The look of the eye can inform the patient and the doctor to problems in some disruptions of other parts of the body even before other signs provide themselves.
One's reliance on sight is highlighted when one deals with a possible or short-term irreversible loss of this important sense. When corrective measures are sought, specific kinds of vision correction such as contact lenses or eyeglasses are prescribed.
On the other hand, some people are troubled with the reality 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 decreased usage of contact lenses or glasses. Among which is the now popular LASIK eye surgical treatment.
Basically, LASIK eye surgery is the short term for "Laser-Assisted In Situ Keratomileusis." Like its concrete equivalent, LASIK eye surgical treatment is another type of vision correction. The only distinction is that with this kind of surgical treatment, one's vision is remedied permanently.
With LASIK eye surgical treatment, the refractive errors in the cornea are permanently changed. This can be done using an "excimer laser."
The primary purpose of this surgical treatment is to produce a threadlike, rounded "flap" in the cornea using a blade called "microkeratome." In a series of unfolding and laser processing, the cornea is finally 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 individuals need to understand. Probably, the main reason that this type of eye surgery has actually ended up being well accepted is navigate here due to the fact that the majority of its cases had been effective.
However, in spite of its success, there are still some disadvantages. Here is the list:
1. It is an operation used to the most sensitive 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 very dangerous.
To puts it simply, a easy mistake could almost trigger an person's lifetime blindness. It is essential to consider numerous aspects before deciding whether LASIK eye surgical treatment is the right corrective procedure one has to go through.
2. It is not a best procedure
LASIK eye surgery may correct your vision but it does not necessarily suggest that it can offer you a perfect vision. Even if statistical reports reveal that 70% of the clients might have 20/20 vision, this does not necessarily mean they have perfect vision too.
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 method the majority of people see it
On the other hand, the evaluation of the structural part of the eye might be made in numerous methods. It ought to be well remembered that a patient with an eye problem might have other problems. Typically other physical conditions are primary and affect the eye as a repercussion. The look of the eye can alert the physician and the patient to troubles in some disturbances of other parts of the body even prior to other signs present themselves.
Like its tangible counterpart, LASIK eye surgical treatment is another type of vision correction.