The eye can be examined with relative ease regarding both its function and its structure. A functional evaluation consists of the ability to relocate the orbit and the reaction of the pupil to light and accommodation.
The function of the eye may be tested in a number of methods. The client might be asked to identify illuminated letter or items of differing sizes on exactly what is referred to as the Snellen chart.
On the other hand, the evaluation of the structural part of the eye may be made in a number of methods. Tension within the eyeball is measured by a "tonometer." In particular diseases, particularly in glaucoma, the stress in the eyeball is increased significantly.
It should be well remembered that a patient with an eye problem may have other issues. Typically other physical conditions are primary and affect the eye as a repercussion. The appearance 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 dependence on sight is stressed when one deals with a short-lived or possible long-term loss of this crucial sense. For this reason, when corrective procedures are looked for, particular kinds of vision correction such as contact lenses or spectacles are recommended.
On the other hand, some people are bothered with that they have some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgeries were developed to encourage reduced utilization 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 surgical treatment is another type of vision correction. The only difference is that with this type of surgical treatment, one's vision is corrected completely.
With LASIK eye surgical treatment, the refractive errors in the cornea are permanently changed. This can be done using an "excimer laser."
The primary function of this surgery is to develop a threadlike, rounded "flap" in the cornea utilizing a blade understood 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.
Appeal vs. Disadvantages
In the middle of the growing popularity of LASIK eye surgery, there are still disadvantages that individuals must know. Most likely, the main reason this kind of eye surgical treatment has become well accepted is due to the fact that most of its straight from the source cases had actually succeeded.
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
Because LASIK eye surgery includes the operation of the retina, which is one of the most sensitive parts of the eye, a lot of individuals say that the operation can be very risky.
In other words, a easy error could almost trigger an person's lifetime loss of sight. It is essential to consider additional resources numerous elements prior to choosing whether LASIK eye surgery is the right corrective measure one has to undergo.
2. It is not a perfect procedure
LASIK eye surgical treatment may fix your vision but it does not necessarily indicate that it can offer you a best vision. Even if statistical reports reveal that 70% of the clients may have 20/20 vision, this check this does not necessarily 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 always be the ideal eye surgery the method the majority of people view it
On the other hand, the examination of the structural part of the eye might be made in a number of ways. It needs to be well kept in mind that a patient with an eye issue may have other problems. Typically other physical conditions are primary and affect the eye as a effect. The appearance of the eye can notify the doctor and the client to difficulties in some disruptions of other parts of the body even prior to other symptoms provide themselves.
Like its concrete equivalent, LASIK eye surgical treatment is another kind of vision correction.