The eye can be examined with relative ease as to both its function and its structure. A functional examination consists of the ability to relocate the orbit and the reaction of the student to light and accommodation.
The function of the eye may be checked in numerous ways. The patient might be asked to identify illuminated letter or objects of varying sizes on exactly what is known as the Snellen chart.
Alternatively, the assessment of the structural part of the eye may be made in a number of ways. Tension within the eyeball is measured by a "tonometer." In particular illness, specifically in glaucoma, the tension in the eyeball is increased considerably.
It ought to be well kept in mind that a client with an eye problem might have other problems. Frequently other physical conditions are main and affect the eye as a consequence. The appearance of the eye can alert the patient and the doctor to problems in some disturbances of other parts of the body even before other symptoms present themselves.
Subsequently, one's dependence on sight is emphasized when one deals with a short-term or possible permanent loss of this crucial sense. Hence, when restorative procedures are sought, certain types of vision correction such as contact lenses or eyeglasses are prescribed.
On the other hand, some people are bothered with the reality that they have some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgeries were developed to motivate reduced usage of contact lenses or glasses. Among which is the now popular LASIK eye surgical treatment.
Generally, LASIK eye surgery is the short-term for "Laser-Assisted In Situ Keratomileusis." Like its tangible counterpart, LASIK eye surgery is another type of vision correction. The only distinction is that with this kind of surgery, one's vision is fixed permanently.
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 create 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 finally reformed, enabling better the eye to direct more light into the retina.
Popularity vs. Disadvantages
Amidst the growing appeal of LASIK eye surgical treatment, there are still disadvantages that people must understand. Most likely, the primary reason why this type of eye surgical treatment has actually become well accepted is because the majority of its cases had been successful.
However, in spite of its success, there are still some drawbacks. Here is the list:
1. It is an operation applied to the most delicate part of the eye
Due to the fact that LASIK eye surgery includes the operation of the retina, which is one of the most delicate portions of the eye, the majority of people say that the operation can be extremely risky.
To puts it simply, a easy mistake might practically trigger an individual's lifetime loss of sight. It is important to think about lots of elements before choosing whether LASIK eye surgery is the best corrective procedure one has to go through.
2. It is not a perfect procedure
LASIK eye surgical treatment may fix your vision however it does not always imply that it can offer you a perfect vision. Even if statistical reports hop over to these guys reveal that 70% of the clients might have 20/20 vision, this does not necessarily imply they have ideal vision too.
Given all these things, it can be deduced that, in spite of the popularity of the operation, LASIK may not always be the perfect eye surgery the way the majority of people view it
On the other hand, the evaluation of the structural part of the eye may be made in a number of ways. It needs to be well remembered that a patient with an eye problem might have other problems. Typically other physical conditions are main and affect the eye as a consequence. The look of the eye can signal the client and the doctor to problems in some disturbances of other parts of the body even before other symptoms provide themselves.
Like its concrete counterpart, LASIK eye surgical treatment is another kind of vision correction.