The eye can be examined with relative ease regarding both its function and its structure. A practical 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 numerous methods. The patient might be asked to identify illuminated letter or items of differing sizes on what is called the Snellen chart.
Alternatively, the evaluation of the structural part of the eye might be made in numerous ways. Tension within the eyeball is measured by a "tonometer." In specific illness, especially in glaucoma, the tension in the eyeball is increased noticeably.
It needs to be well kept in mind that a client with an eye issue might have other problems. Often other physical conditions are primary and impact the eye as a repercussion. The look of the eye can signal the client and the physician to problems in some disruptions of other parts of the body even before other symptoms provide themselves.
One's dependence on sight is stressed when one faces a possible or short-lived irreversible loss of this essential sense. When corrective measures are sought, certain forms of vision correction such as contact lenses or eyeglasses are prescribed.
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 developed to encourage decreased utilization of contact lenses or glasses. One of which is the now popular LASIK eye surgery.
Essentially, LASIK eye surgery 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 type of surgical treatment, one's vision is corrected permanently.
With LASIK eye surgery, the refractive errors in the cornea are permanently changed. This can be done utilizing an "excimer laser."
The primary purpose of this surgical treatment is to produce 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, enabling better the eye to direct more light into the retina.
Popularity see page vs. Disadvantages
In the middle of the growing popularity of LASIK eye surgical treatment, there are still disadvantages that individuals should understand. Probably, the primary reason that this kind of eye surgical treatment has actually ended up being well accepted is since most 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 applied to the most sensitive part of the eye
Because LASIK eye surgical treatment includes the operation of the retina, which is among the most delicate parts of the eye, most individuals state that the operation can be really dangerous.
To puts it simply, a simple mistake might nearly trigger an individual's life time loss of sight. It is important to think about numerous factors prior to deciding whether LASIK eye surgical treatment is the right restorative measure one has to go through.
2. It is not a ideal treatment
LASIK eye surgical treatment may correct your vision however it does not necessarily mean that it can offer you a twenty-twenty. Even if statistical reports reveal that 70% of the patients might have 20/20 vision, this does not necessarily mean they have perfect vision.
Offered all these things, it can be deduced that, in spite of the appeal of the operation, LASIK might not constantly be the perfect eye surgery the method most individuals see it
Conversely, the assessment of the structural part of the eye may be made in several methods. It needs to be well kept in mind that a client with an eye problem may have other issues. Often other physical conditions are primary and impact the eye as a effect. The look of the eye can alert the doctor and the client to problems in some disturbances of other parts of the body even before other signs present themselves.
Like its tangible counterpart, LASIK eye surgery is another kind of vision correction.