The eye can be examined with relative ease as to both its function and its structure. A functional assessment 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 patient might be asked to identify illuminated letter or things of varying sizes on exactly what is called the Snellen chart.
Alternatively, the evaluation of the structural part of the eye might be made in a number of methods. Tension within the eyeball is determined by a "tonometer." In certain diseases, specifically in glaucoma, the tension in the eyeball is increased noticeably.
However, it must be well remembered that a patient with an eye issue may have other problems also. Typically other physical conditions are main and affect the eye as a repercussion. The look of the eye can signal the patient and the doctor to troubles in some disturbances of other parts of the body even before other symptoms provide themselves.
One's dependence on sight is highlighted when one deals with a momentary or possible irreversible loss of this vital sense. Hence, when corrective measures are looked for, particular forms of vision correction such as contact lenses or eyeglasses are prescribed.
On the other hand, some individuals are bothered with the fact that they have some framed lenses or contact lenses in front of their eyes.
For this factor, advanced surgeries were established to encourage decreased utilization of contact lenses or glasses. Among which is the now popular LASIK eye surgery.
Generally, LASIK eye surgery is the short-term for "Laser-Assisted In Situ Keratomileusis." Like its tangible counterpart, LASIK eye surgical treatment is another form of vision correction. The only difference is that with this type of surgery, one's vision is fixed permanently.
With LASIK eye surgical treatment, the refractive errors in the cornea are permanently changed. This can be done using an "excimer laser."
The main function of this surgical treatment is to create a threadlike, rounded "flap" in the cornea using a blade understood as "microkeratome." In a series of unfolding and laser processing, the cornea is lastly reformed, allowing better the eye to direct more light into the retina.
Popularity vs. Disadvantages
Amidst the growing appeal of LASIK eye surgical treatment, there are still disadvantages that people must know. Probably, the primary reason this kind of eye surgery has actually ended up being well accepted is due to the fact that many of its cases had achieved success.
However, 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
Due to the fact that LASIK eye surgical treatment involves the operation of the retina, which is one of the most delicate parts of the eye, most people say that the operation can be very risky.
Simply puts, a simple error could practically trigger an person's life time blindness. It is crucial to think about numerous find out here now factors prior to choosing whether LASIK eye surgery is the right corrective measure one has to go through.
2. It is not a best treatment
LASIK eye surgery may fix your vision but it does not always indicate that it can offer you a best vision. Even if statistical reports show that 70% of the clients may have 20/20 vision, this does not necessarily mean they have perfect vision.
Provided all these things, it can be deduced that, in spite of the popularity of the operation, LASIK may not constantly be the ideal eye surgical treatment the way many people see it
Alternatively, the assessment of the structural part of the eye may be made in several methods. It should be well remembered that a client with an eye issue may have other problems. Often other physical conditions are main and impact the eye as a effect. The look of the eye can inform the doctor and the patient to difficulties in some disruptions of other parts of the body even before other signs provide themselves.
Like its concrete equivalent, LASIK eye surgery is another kind of vision correction.