The eye can be taken a look at with relative ease as to both its function and its structure. A functional evaluation consists of the capability to move in the orbit and the reaction of the pupil to light and accommodation.
The function of the eye might be evaluated in numerous ways. The client may be asked to determine illuminated letter or things of varying sizes on what is known as the Snellen chart.
Alternatively, the examination of the structural part of the eye might be made in numerous ways. Tension within the eyeball is measured by a "tonometer." In certain illness, particularly in glaucoma, the tension in the eyeball is increased noticeably.
It must be well kept in mind that a patient with an eye problem may have other issues. Often other physical conditions are primary and impact the eye as a effect. The appearance of the eye can signal the physician and the client to troubles in some disturbances of other parts of the body even before other signs present themselves.
One's reliance on sight is emphasized when one faces a temporary or possible long-term loss of this vital sense. Hence, when restorative measures are looked for, certain forms of vision correction such as contact lenses or glasses are recommended.
On the other hand, some people are troubled with that they have actually some framed lenses or contact lenses in front of their eyes.
For this reason, advanced surgeries were developed to motivate reduced usage of contact lenses or glasses. Among 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 equivalent, LASIK eye surgery is another kind of vision correction. The only difference is that with this kind of surgery, one's vision is corrected completely.
With LASIK eye surgery, the refractive mistakes in the cornea are permanently changed. This can be done using an "excimer laser."
The primary 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, enabling much better the eye to direct more light into the retina.
Popularity vs. Disadvantages
Amidst the growing appeal of LASIK eye surgery, there are still disadvantages that people should know. Probably, the primary reason that this kind of eye surgery has actually become well accepted is due to the fact that the majority of its cases had achieved success.
However, in spite of its success, there straight from the source are still some drawbacks. 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 among the most sensitive parts of the eye, a lot of individuals state that the operation can be very risky.
In other words, a easy mistake could nearly cause an individual's life time blindness. It is essential to think about many elements before deciding whether LASIK eye surgical treatment is the ideal corrective measure one has to go through.
2. It is not a perfect procedure
LASIK eye surgical treatment may correct your vision but it does not always suggest that it can give you a ideal vision. Even if analytical reports show that 70% of the patients may have 20/20 vision, this does not necessarily imply they have ideal vision also.
Provided 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 way a lot of people see it
Alternatively, the assessment of the structural part of the eye might be made in a number of ways. It ought to be well remembered that a patient with an eye problem might have other problems. Often other physical conditions are main and impact the eye as a repercussion. The look of the eye can inform the patient and the physician to this problems in some disruptions of other parts of the body even prior to other symptoms provide themselves.
Like its concrete counterpart, LASIK eye surgery is another kind of vision correction.