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 lodging.
The function of the eye might be evaluated in numerous methods. The client may be asked to identify illuminated letter or objects of varying sizes on exactly what is referred to as the Snellen chart.
Alternatively, the evaluation of the structural part of the eye may be made in several ways. Tension within the eyeball is measured by a "tonometer." In specific illness, particularly in glaucoma, the tension in the eyeball is increased considerably.
It ought to be well kept in mind that a client with an eye problem may have other issues. Frequently other physical conditions are primary and impact the eye as a repercussion. The look of the eye can notify the physician and the client to difficulties in some disruptions of other parts of the body even prior to other signs present themselves.
Subsequently, one's dependence on sight is stressed when one faces a possible or momentary irreversible loss of this essential sense. Hence, when corrective procedures are sought, specific types of vision correction such as contact lenses or eyeglasses are recommended.
On the other hand, some people are troubled with the truth that they have some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgeries were established to motivate decreased usage of contact lenses or glasses. Among which is the now popular LASIK eye surgery.
Generally, LASIK eye surgical treatment is the short-term for "Laser-Assisted In Situ Keratomileusis." Like its concrete counterpart, LASIK eye surgery is another kind of vision correction. The only difference is that with this kind of surgery, one's vision is fixed completely.
With LASIK eye surgery, the refractive mistakes in the cornea are completely changed. This can be done utilizing an "excimer laser."
The primary purpose of this surgery is to produce 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 need to understand. Probably, the primary reason that this type of eye surgery has become well accepted is because most of its cases had been successful.
In spite of its success, there are still some drawbacks. 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 surgical treatment includes the operation of the retina, which is one of the most sensitive portions of the eye, a lot of individuals state that the operation can be very dangerous.
In other words, a simple error could nearly cause an person's life time blindness. It is essential to think about numerous factors prior to deciding whether LASIK eye surgical treatment is the ideal restorative procedure one has next to go through.
2. It is not a best procedure
LASIK eye surgery may correct your vision however it does not always indicate that it can provide you a perfect vision. Even if analytical reports reveal that 70% of the patients may have 20/20 vision, this does not always imply they have ideal vision.
Offered all these things, it can be deduced that, in spite of the popularity of the operation, LASIK might not constantly be the perfect eye surgery the method the majority of people see it
Conversely, the examination of the structural part of the eye might be made in several ways. It must be well kept in mind that a client with an eye problem might have other problems. Often other physical conditions are main and impact the eye as a repercussion. The appearance of the eye can inform the patient and the physician to troubles in some disturbances of other parts of the body even before other signs present themselves.
Like its concrete equivalent, LASIK eye surgical treatment is another type of vision correction.