The eye can be taken a look at with relative ease regarding both its function and its structure. A practical examination consists of the ability to relocate the orbit and the reaction of the student to light and accommodation.
The function of the eye might be tested in numerous ways. The client may be asked to identify illuminated letter or items of varying sizes on exactly what is known as the Snellen chart.
Alternatively, the evaluation of the structural part of the eye might be made in several methods. Stress within the eyeball is measured by a "tonometer." In specific illness, particularly in glaucoma, the stress in the eyeball is increased markedly.
Nevertheless, it needs to be well remembered that a patient with an eye problem may have other problems too. Typically other physical conditions are primary and impact the eye as a consequence. The appearance of the eye can alert the doctor and the patient to troubles in some disturbances of other parts of the body even before other signs provide themselves.
Consequently, one's reliance on sight is emphasized when one deals with a short-term or possible permanent loss of this important sense. Hence, when corrective steps are looked for, particular kinds of vision correction such as contact lenses or spectacles are recommended.
On the other hand, some people are troubled with that they have some framed lenses or contact lenses in front of their eyes.
For this reason, advanced surgical operations were established to encourage decreased usage of contact lenses or glasses. One of which is the now popular LASIK eye surgery.
Basically, LASIK eye surgical treatment is the short-term for "Laser-Assisted In Situ Keratomileusis." Like its tangible equivalent, LASIK eye surgical treatment is another type of vision correction. The only distinction is that with this type of surgical treatment, one's vision is fixed completely.
With LASIK eye surgery, the refractive errors look these up in the cornea are completely changed. This can be done using an "excimer laser."
The main function of this surgery is to develop a threadlike, rounded "flap" in the cornea utilizing a blade called "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.
Appeal vs. Disadvantages
Amidst the growing appeal of LASIK eye surgery, there are still disadvantages that individuals need to understand. Probably, the primary reason why this kind of eye surgical treatment has actually become well accepted is due to the fact that most of its cases had actually succeeded.
In spite of its success, there are still some drawbacks. Here is the list:
1. It is an operation used to the most sensitive part of the eye
Since LASIK eye surgery involves the operation of the retina, which is one of the most delicate portions of the eye, many people say that the operation can be very dangerous.
Simply puts, a simple error might practically cause an person's life time loss of sight. For this reason, it is very important to consider many factors prior to deciding whether LASIK eye surgery is the ideal restorative procedure one needs to go through.
2. It is not a perfect procedure
LASIK eye surgery might correct your vision but it does not always mean that it can offer you a best vision. Even if analytical reports show that 70% of the clients might have 20/20 vision, this does not always suggest they have ideal vision.
Given all these things, it can be deduced that, in spite of the popularity of the operation, LASIK might not constantly be the ideal eye surgery the way many people view it
Alternatively, the assessment of the structural part of the eye may be made in a number of methods. It should be well kept in mind that a client with an eye problem may have other issues. Often other physical conditions are main and impact the eye as a consequence. The appearance check it out of the eye can signal the patient and the physician to difficulties in some disturbances of other parts of the body even prior to other symptoms present themselves.
Like its concrete counterpart, LASIK eye surgery is another kind of vision correction.