The eye can be examined with relative ease as to both its function and its structure. A functional evaluation includes the capability to relocate the orbit and the reaction of the student to light and accommodation.
The function of the eye might be evaluated in several methods. The patient may be asked to determine illuminated letter or objects of varying sizes on exactly what is called the Snellen chart.
On the other hand, the examination of the structural part of the eye may be made in a number of methods. Tension within the eyeball is measured by a "tonometer." In particular diseases, particularly in glaucoma, the stress in the eyeball is increased significantly.
It needs to be well remembered that a patient with an eye issue might have other problems. Frequently other physical conditions are main and affect the eye as a consequence. The appearance of the eye can inform the physician and the patient to problems in some disruptions of other parts of the body even prior to other signs present themselves.
One's dependence on sight is emphasized when one deals with a short-lived or possible irreversible loss of this vital sense. Hence, when corrective procedures are looked for, specific forms of vision correction such as contact lenses or eyeglasses are recommended.
On the other hand, some people are troubled with the fact that they have some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgical operations were established to encourage decreased utilization of contact lenses or glasses. Among which is the now popular LASIK eye surgery.
Basically, LASIK eye surgery is the short-term for "Laser-Assisted In Situ Keratomileusis." Like its concrete equivalent, LASIK eye surgery is another type of vision correction. The only distinction is that with this read the article kind of surgery, one's vision is remedied permanently.
With LASIK eye surgical treatment, the refractive errors in the cornea are completely transformed. This can be done utilizing an "excimer laser."
The main function of this surgery is to develop a threadlike, rounded "flap" in the cornea using a blade understood as "microkeratome." In a series of unfolding and laser processing, the cornea is finally reformed, permitting much better the eye to direct more light into the retina.
Popularity vs. Disadvantages
In the middle of the growing popularity of LASIK eye surgical treatment, there are still disadvantages that people should know. Probably, the primary reason that this kind of eye surgical treatment has become well accepted is due to the fact that the majority of its cases had been successful.
In spite of its success, there are still some downsides. Here is the list:
1. It is an operation used to the most sensitive part of the eye
Since LASIK eye surgical treatment involves the operation of the retina, which is one of Recommended Reading the most sensitive parts of the eye, most people state that the operation can be very risky.
In other words, a simple mistake might almost cause an individual's life time loss of sight. It is important to think about many factors before choosing whether LASIK eye surgical treatment is the best restorative procedure one has to undergo.
2. It is not a perfect treatment
LASIK eye surgery might fix your vision however it does not necessarily indicate that it can offer you a perfect vision. Even if statistical reports reveal that 70% of the patients might have 20/20 vision, this does not always indicate they have ideal vision.
Provided all these things, it can be deduced that, in spite of the popularity of the operation, LASIK might not constantly be the perfect eye surgical treatment the method many people see it
Conversely, the evaluation of the structural part of the eye might be made in numerous ways. It needs to be well kept in mind that a patient with an eye problem might have other problems. Frequently other physical conditions are main and affect the eye as a repercussion. The appearance of the eye can alert the important source physician and the client to problems in some disruptions of other parts of the body even before other signs provide themselves.
Like its concrete equivalent, LASIK eye surgery is another form of vision correction.