The eye can be examined with relative ease regarding both its function and its structure. A functional assessment consists of the ability to relocate the orbit and the response of the student to light and accommodation.
The function of the eye may be tested in a number of ways. The client may be asked to determine illuminated letter or items of differing sizes on what is known 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 measured by a "tonometer." In certain diseases, especially in glaucoma, the stress in the eyeball is increased considerably.
It needs to be well remembered that a client with an eye problem might have other problems. Frequently other physical conditions are primary and affect the eye as a repercussion. The appearance of the eye can inform the physician and the patient to troubles in some disruptions of other parts of the body even prior to other signs provide themselves.
Subsequently, one's dependence on sight is highlighted when one deals with a possible or short-lived permanent loss of this essential sense. Hence, when corrective procedures are looked for, particular forms of vision correction such as contact lenses or spectacles are prescribed.
On the other hand, some individuals are troubled with the truth that they have actually some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgical operations were developed to motivate decreased utilization of contact lenses or glasses. One of which is the now popular LASIK eye surgery.
Essentially, 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 surgical treatment, one's vision is corrected permanently.
With LASIK eye surgical treatment, the refractive mistakes in the cornea are completely 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 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
In the middle of the growing popularity of LASIK eye surgical treatment, there are still disadvantages that people need to understand. Probably, the primary reason this kind of eye surgery has ended up being well accepted is due to the fact that many of its cases had achieved success.
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 surgical treatment includes the operation of the retina, which is among the most sensitive portions of the eye, many people state that the operation can be extremely dangerous.
In other words, a basic error might nearly cause an individual's life time blindness. It is essential to consider lots of aspects before deciding whether LASIK eye surgical treatment is the right corrective step one has to undergo.
2. It is not a perfect treatment
LASIK sites eye surgical treatment might fix your vision but it does not necessarily mean that it can give you a best vision. Even if statistical reports show that 70% of the clients may have 20/20 vision, this does not necessarily mean they have perfect vision.
Offered all these things, it can be deduced that, in spite of the appeal of the operation, LASIK might not constantly be the perfect eye surgery the way many people see it
Alternatively, the evaluation of the structural part of the eye may be made in several methods. It must be well remembered that a client with an eye problem might have other problems. Often other physical conditions are main and affect the eye as a effect. 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 symptoms provide themselves.
Like its concrete counterpart, LASIK eye surgical treatment is another type of vision correction.