The eye can be examined with relative ease regarding both its function and its structure. A functional evaluation includes the ability to move in the orbit and the reaction of the student to light and accommodation.
The function of the eye may be evaluated in a number of methods. The patient may be asked to identify illuminated letter or things of varying sizes on what is called the Snellen chart.
Alternatively, the examination of the structural part of the eye may be made in numerous methods. Tension within the eyeball is measured by a "tonometer." In specific illness, particularly in glaucoma, the tension in the eyeball is increased noticeably.
Nevertheless, it should be well kept in mind that a patient with an eye problem might have other issues too. Typically other physical conditions are main and affect the eye as a consequence. The look of the eye can inform the physician and the client to problems in some disturbances of other parts of the body even before other signs provide themselves.
Subsequently, one's reliance on sight is stressed when one deals with a short-term or possible long-term loss of this important sense. When restorative procedures are sought, certain kinds of vision correction such as contact lenses or glasses are prescribed.
On the other hand, some individuals are troubled with the reality that they have some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgical operations were established to motivate reduced utilization of contact lenses or glasses. One of which is the now popular LASIK eye surgery.
Basically, LASIK eye surgical treatment 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 type of surgery, one's vision is fixed permanently.
With LASIK eye surgical treatment, the refractive errors in the cornea are completely changed. This can be done using an "excimer laser."
The main 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 lastly reformed, permitting much better the eye to direct more light into the retina.
Appeal vs. Disadvantages
Amidst the growing appeal of LASIK eye surgical treatment, there are still disadvantages that individuals should know. Most likely, the primary reason this type of eye surgical treatment has become well accepted is due to the fact content that 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 used to the most delicate part of the eye
Because LASIK eye surgery involves the operation of the retina, which is one of the most delicate portions of the eye, many people state that the operation can be very dangerous.
To puts it simply, a easy mistake could nearly trigger an individual's life time loss of sight. Hence, it is essential to consider numerous aspects before deciding whether LASIK eye surgery is the ideal corrective step one needs to go through.
2. It is not a perfect procedure
LASIK eye surgery might correct your vision but it does not necessarily suggest that it can give you a twenty-twenty. Even if statistical reports show that 70% of the patients may 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 appeal of the operation, LASIK might not constantly be the ideal eye surgery the way a lot of people see it
Alternatively, the evaluation of the structural part of the eye may be made in several methods. It ought to be well kept in mind that a client with an eye problem may have other this page problems. Often other physical conditions are primary and impact the eye as a effect. The appearance of the eye can alert the client and the physician to troubles in some disturbances of other parts of the body even prior to other signs provide themselves.
Like its tangible equivalent, LASIK eye surgery is another kind of vision correction.