The eye can be examined with relative ease as to both its function and its structure. A practical evaluation includes the ability to move in the orbit and the response of the student to light and accommodation.
The function of the eye may be evaluated in numerous ways. The patient may be asked to identify illuminated letter or things of differing sizes on what is called the Snellen chart.
Alternatively, the evaluation of the structural part of the eye may be made in numerous methods. Tension within the eyeball is determined by a "tonometer." In certain diseases, particularly in glaucoma, the tension in the eyeball is increased considerably.
It needs to be well remembered that a patient with an eye issue may have other problems. Frequently other physical conditions are main and impact the eye as a repercussion. The appearance of the eye can signal the patient and the physician to troubles in some disruptions of other parts of the body even before other signs provide themselves.
As a result, one's dependence on sight is stressed when one faces a possible or temporary irreversible loss of this important sense. For this reason, when corrective procedures are looked for, certain kinds of vision correction such as contact lenses or glasses 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 reason, advanced surgical operations were developed to encourage reduced usage of contact lenses or glasses. One of which is the now popular LASIK eye surgery.
Generally, LASIK eye surgery is the short term for "Laser-Assisted In Situ Keratomileusis." Like its concrete equivalent, LASIK eye surgery is another kind of vision correction. The only distinction is that with this kind of surgical treatment, one's vision is fixed completely.
With LASIK eye surgical treatment, the refractive mistakes in the cornea are completely transformed. This can be done using an "excimer laser."
The main purpose 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 lastly reformed, permitting better the eye to direct more light into the retina.
Appeal vs. Disadvantages
Amidst the growing appeal of LASIK eye surgical treatment, there are still disadvantages that individuals need to know. Probably, the main reason this kind of eye surgery has actually ended up being well accepted is due to the fact that many 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 applied to the most delicate part of the eye
Because LASIK eye surgical treatment includes the operation of the retina, which is among the most delicate portions of the eye, many people state that the operation can be extremely risky.
To puts it simply, a easy mistake could practically trigger an individual's lifetime blindness. For this reason, it is necessary to consider numerous aspects before deciding whether LASIK eye surgical treatment is the best restorative step one needs to undergo.
2. It is not a ideal treatment
LASIK eye surgical treatment might fix your vision however it does not necessarily suggest that it can offer you a perfect vision. Even if statistical reports reveal that 70% of the clients may have 20/20 vision, this does not necessarily suggest they have perfect vision.
Offered 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 way the majority of people view it
Alternatively, the examination of the structural part of the eye may be made in numerous methods. It should be well remembered that a client with an eye issue may have other issues. Frequently other physical conditions are main and impact the original source the eye as a consequence. The look 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 symptoms provide themselves.
Like its tangible counterpart, LASIK eye surgical treatment is another form of vision correction.