The eye can be examined with relative ease as to both its function and its structure. A functional evaluation includes the ability to move in the orbit and the response of the pupil to light and accommodation.
The function of the eye may be evaluated in several methods. The client might be asked to identify illuminated letter or items of varying sizes on what is referred to as the Snellen chart.
Conversely, the assessment 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 particular illness, particularly in glaucoma, the tension in the eyeball is increased significantly.
However, it must be well kept in mind that a patient with an eye problem may have other issues as well. Typically other physical conditions are primary and affect the eye as a consequence. The look of the eye can inform the doctor and the patient to troubles in some disruptions of other parts of the body even before other symptoms present themselves.
One's reliance on sight is emphasized when one deals with a possible or temporary permanent loss of this vital sense. When corrective procedures are looked for, certain types of vision correction such as contact lenses or spectacles are prescribed.
On the other hand, some individuals are bothered with the fact that they have actually 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.
Essentially, LASIK eye surgical treatment is the short term for "Laser-Assisted In Situ Keratomileusis." Like its concrete counterpart, LASIK eye surgical treatment is another kind of vision correction. The only distinction is that with this kind of surgery, one's vision is fixed permanently.
With LASIK eye surgical treatment, the refractive mistakes in the cornea are completely transformed. This can be done using an "excimer laser."
The main function of this surgery is to produce a threadlike, rounded "flap" in the cornea using a blade called "microkeratome." In a series of unfolding and laser processing, the cornea is finally reformed, permitting better the eye to direct more light into the retina.
Appeal vs. Disadvantages
In the middle of the growing appeal of LASIK eye surgery, there are still disadvantages that people need to understand. Probably, the main reason that this kind of eye surgical treatment has become well accepted is due to the fact that many of its cases had achieved success.
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
Due to the fact that LASIK eye surgery includes the operation of the retina, which is among the most delicate parts of the eye, many people state that the operation can be really risky.
To puts it simply, a easy error could nearly cause an person's lifetime loss of sight. Hence, it is necessary to think about numerous factors prior to choosing whether LASIK eye surgery is the best restorative procedure one needs to go through.
2. It is not a ideal procedure
LASIK eye surgery may correct your vision however it does not necessarily suggest that it linked here can offer you a twenty-twenty. Even if statistical reports reveal that 70% of the patients may have 20/20 vision, this does not necessarily imply they have ideal vision.
Given all these things, it can be deduced that, in spite of the appeal of the operation, LASIK may not always be the perfect eye surgery the method most people see it
Conversely, the assessment of the structural part of the eye may be made in a number of methods. It must be well remembered that a client with an eye problem might have other problems. Frequently other physical conditions are primary and affect the eye as a consequence. The look of the eye can signal the physician and the patient to difficulties 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.