The eye can be examined with relative ease as to both its function and its structure. A functional 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 methods. The client may be asked to recognize illuminated letter or objects of differing sizes on what is called the Snellen chart.
On the other hand, 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 specific illness, specifically in glaucoma, the tension in the eyeball is increased considerably.
Nevertheless, it should be well kept in mind that a patient with an eye issue may have other problems too. Frequently other physical conditions are primary and affect the eye as a effect. The appearance of the eye can alert the client and the physician to difficulties in some disturbances of other parts of the body even before other signs provide themselves.
One's reliance on sight is stressed when one deals with a short-term or possible permanent loss of this important sense. Hence, when restorative measures are sought, certain forms of vision correction such as contact lenses or eyeglasses are prescribed.
On the other hand, some individuals are bothered with the reality that they have some framed lenses or contact lenses in front of their eyes.
For this reason, advanced surgeries were developed to motivate decreased usage of contact lenses or glasses. Among which is the now popular LASIK eye surgery.
Basically, LASIK eye surgical treatment is the brief term for "Laser-Assisted In Situ Keratomileusis." Like its tangible counterpart, LASIK eye surgical treatment is another form of vision correction. The only distinction is that with this type of surgical treatment, one's vision is fixed permanently.
With LASIK eye surgery, the refractive errors in the cornea are permanently changed. This can see post be done utilizing an "excimer laser."
The primary purpose of this surgery is to create a threadlike, rounded "flap" in the cornea using a blade referred to as "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.
Popularity vs. Disadvantages
Amidst the growing popularity of LASIK eye surgery, there are still disadvantages that people must understand. Most likely, the primary reason this kind of eye surgery has actually become well accepted is because the majority of its cases had actually achieved success.
In spite of its success, there are still some disadvantages. Here is the list:
1. It is an operation used to the most delicate part of the eye
Because LASIK eye surgery involves the operation of the retina, which is one of the most sensitive parts of the eye, many individuals say that the operation can be very risky.
In other words, a simple error could nearly cause an individual's life time loss of sight. It is crucial to think about numerous factors prior to choosing whether LASIK eye surgery is the ideal corrective measure one has to go through.
2. It is not a ideal treatment
LASIK eye surgery might fix your vision but it does not always imply that it can give you a ideal vision. Even if statistical reports reveal that 70% of the patients might have 20/20 vision, this does not necessarily suggest they have perfect vision as well.
Offered all these things, it can be deduced that, in spite of the popularity of the operation, LASIK might not always be the ideal eye surgery the way the majority of people see it
Alternatively, the examination of the structural part of the eye may be made in a number of methods. It needs to be well remembered that a client with an eye issue may have other problems. Typically other physical conditions are primary and impact the eye as a consequence. The appearance of the eye can signal the physician and the patient to troubles in some disturbances of other parts of the body even prior to other symptoms present themselves.
Like its tangible equivalent, LASIK eye surgical treatment is another form of vision correction.