The eye can be examined with relative ease as to 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 might be checked in several methods. The client may be asked to determine illuminated letter or objects of differing sizes on what is known as the Snellen chart.
Alternatively, the evaluation of the structural part of the eye might be made in a number of methods. Tension within the eyeball is determined by a "tonometer." In certain diseases, particularly in glaucoma, the tension in the eyeball is increased noticeably.
It must be well kept in mind that a patient with an eye issue may have other problems. Frequently other physical conditions are main and impact the eye as a effect. The look of the eye can alert the physician and the patient to problems in some disturbances of other parts of the body even prior to other symptoms present themselves.
Consequently, one's dependence on sight is stressed when one faces a short-lived or possible long-term loss of this crucial sense. Thus, when corrective measures are looked for, particular types of vision correction such as contact lenses or spectacles are prescribed.
On the other hand, some people are troubled with the reality that they have some framed lenses or contact lenses in front of their eyes.
For this reason, advanced surgeries were established to motivate decreased usage of contact lenses or glasses. One of 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 tangible counterpart, LASIK eye surgery is another form of vision correction. The only difference is that with this type of surgical treatment, one's vision is corrected permanently.
With LASIK eye surgical treatment, the refractive errors in the cornea are completely changed. This can be done utilizing an "excimer laser."
The main purpose of this surgery is to develop 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, permitting better the eye to direct more light into the retina.
Appeal vs. Disadvantages
Amidst the growing popularity of LASIK eye surgery, there are still disadvantages that people should know. Probably, the main reason this kind of eye surgery has actually ended see this page up being well accepted is since many of its cases had actually 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
Since LASIK eye surgical treatment involves the operation of the retina, which is among the most delicate portions of the eye, many people state that the operation can be really risky.
To puts it simply, a simple mistake could practically trigger an individual's life time blindness. It is essential to think about many elements before deciding whether LASIK eye surgery is the best restorative measure one has to undergo.
2. It is not a best procedure
LASIK eye surgical treatment may remedy your vision however it does not necessarily indicate that it can provide you a best vision. Even if statistical reports reveal that 70% of the patients may have 20/20 vision, this does not necessarily suggest 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 surgical treatment the method the majority of people see it
Conversely, the assessment of the structural part of the eye may be made in several methods. It needs to be well remembered that a patient with an eye problem may have other issues. Often 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 disruptions of other parts of the body even before other symptoms present themselves.
Like its concrete equivalent, LASIK eye surgical treatment is another type of vision correction.