The eye can be analyzed with relative ease as to both its function and its structure. A functional examination includes the ability to move in the orbit and the reaction of the student to light and accommodation.
The function of the eye may be tested in several ways. The patient might be asked to recognize illuminated letter or things of differing sizes on exactly what is called the Snellen chart.
Alternatively, the assessment of the structural part of the eye may be made in several methods. Tension within the eyeball is measured by a "tonometer." In particular diseases, particularly in glaucoma, the stress in the eyeball is increased considerably.
However, it needs to be well kept in mind that a patient with an eye issue may have other issues also. Often other physical conditions are primary and affect the eye as a consequence. The appearance of the eye can notify the physician and the client to problems in some disturbances of other parts of the body even prior to other signs present themselves.
One's dependence on sight is stressed when one deals with a possible or temporary permanent loss of this important sense. When corrective measures are sought, certain forms of vision correction such as contact lenses or eyeglasses are prescribed.
On the other hand, some individuals are troubled with that they have actually some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgeries were developed to encourage decreased usage of contact lenses or glasses. Among which is the now popular LASIK eye surgical treatment.
Generally, LASIK eye surgical treatment 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 difference is that with this type of surgery, one's vision is remedied completely.
With LASIK eye surgery, the refractive mistakes in the cornea are completely transformed. This can be done using an "excimer laser."
The primary function of this surgical treatment is to create 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, enabling much better the eye to direct more light into the retina.
Appeal vs. Disadvantages
Amidst the growing appeal of LASIK eye surgery, there are still disadvantages that people should know. Most likely, the main reason that this type of eye surgical treatment has ended up being well accepted is since the majority of its cases had succeeded.
find out here In spite of its success, there are still some disadvantages. Here is the list:
1. It is an operation applied to the most sensitive part of the eye
Due to the fact that LASIK eye surgery includes the operation of the retina, which is among the most sensitive parts of the eye, the majority of people state that the operation can be very dangerous.
In other words, a easy mistake could practically cause an individual's life time blindness. Thus, it is necessary to think about lots of factors prior to choosing whether LASIK eye surgery is the best restorative measure one has to undergo.
2. It is not a perfect procedure
LASIK eye surgery may fix your vision however it does not always suggest that it can give you a perfect vision. Even if statistical reports show that 70% of the patients may have 20/20 vision, this does not necessarily mean they have ideal vision.
Given all these things, it can be deduced that, in spite of the popularity of the operation, LASIK may not constantly be the perfect eye surgical treatment the method many people see it
Conversely, the assessment of the structural part of the eye might be made in numerous methods. It needs to be well kept in mind that a client with an eye issue might have other problems. Often other physical conditions are main and impact the eye as a repercussion. The look of the eye can notify the patient and the physician to troubles in some disruptions of other parts of the body even before other symptoms provide themselves.
Like its concrete counterpart, LASIK eye surgery is another kind of vision correction.