Keywords for successful vacation vision correction: astigmatism and corneal safety
Jan 09, 2025
During the winter vacation, there are a line of eye correction surgeries for college students and test takers who have worn uncomfortable glasses since childhood. Recently, it is most common to solve myopia through femtosecond laser vision correction such as Smile Lasik and SmilePro.
However, not all myopia patients with poor eyes can undergo laser vision correction surgery.
Surgery is restricted when near-sightedness is accompanied by near-sightedness, which is difficult to see in the distance, and astigmatism that overlaps and spreads objects or letters. Compared to people with myopia, the amount of corneal shaving increases, which can lead to unexpected aftereffects. Therefore, the more severe the astigmatism, the more careful it is to approach vision correction.
Astigmatism is a refractive anomaly in which light transmitted through the cornea cannot be concentrated at a point in the retina and has two or more points of focus. It is mainly caused by the pressing of the cornea and the shape of the cornea, which was circular, is transformed into an oval shape. The focus of the light coming in from the horizontal direction and the light coming in from the vertical direction are different from each other, causing things to look overlapped or blurred. It gives strength to the eyes to see clearly, making it easy to get tired and nervous. If the image of an object fluctuates and is severe, headaches and dizziness may appear, and glasses for astigmatism have thick lenses and are expensive.
In the case of correcting astigmatism with traditional LASIK or LASEK, the amount of corneal shaving can be increased by 20-30% compared to when there is myopia to restore the shape of the cornea to normal, which can worsen the aftereffects such as dry eyes after surgery. In the case of Smile Lasik and SmilePro, which have recently become the most common laser vision correction surgery, the surgery itself is impossible due to corneal safety and accuracy if astigmatism exceeds a certain standard (-5 diopter).
For myopia test takers who cannot correct their eyesight with laser due to such severe astigmatism, it is practically the safest and most effective way to take off their glasses to correct myopia with smile LASIK after solving astigmatism first. In my ophthalmology, I published the clinical results of observing more than 6 months after astigmatism correction was performed on 128 astigmatism eyes in the American Ophthalmology Society (AAO). The mean astigmatism, preoperative -2.36 diopters, improved from 61% of all patients postoperative to within 0.5 diopters and 85% of patients resolved astigmatism within an error of 1 diopters.
There are two most important points in correcting the eyesight of test takers and college students who are about to enter society. It is to restore vision safely and preserve the corneal surface that protects our eyes as much as possible with minimal incision and minimal damage. It is right to take a calm approach by closely checking the degree of myopia, astigmatism, and corneal conditions through precise and accurate examinations before surgery, and making a vision correction plan with medical staff.
Help = Onnuri Smile An, Director Kim Ji-sun
However, not all myopia patients with poor eyes can undergo laser vision correction surgery.
Surgery is restricted when near-sightedness is accompanied by near-sightedness, which is difficult to see in the distance, and astigmatism that overlaps and spreads objects or letters. Compared to people with myopia, the amount of corneal shaving increases, which can lead to unexpected aftereffects. Therefore, the more severe the astigmatism, the more careful it is to approach vision correction.
Astigmatism is a refractive anomaly in which light transmitted through the cornea cannot be concentrated at a point in the retina and has two or more points of focus. It is mainly caused by the pressing of the cornea and the shape of the cornea, which was circular, is transformed into an oval shape. The focus of the light coming in from the horizontal direction and the light coming in from the vertical direction are different from each other, causing things to look overlapped or blurred. It gives strength to the eyes to see clearly, making it easy to get tired and nervous. If the image of an object fluctuates and is severe, headaches and dizziness may appear, and glasses for astigmatism have thick lenses and are expensive.
In the case of correcting astigmatism with traditional LASIK or LASEK, the amount of corneal shaving can be increased by 20-30% compared to when there is myopia to restore the shape of the cornea to normal, which can worsen the aftereffects such as dry eyes after surgery. In the case of Smile Lasik and SmilePro, which have recently become the most common laser vision correction surgery, the surgery itself is impossible due to corneal safety and accuracy if astigmatism exceeds a certain standard (-5 diopter).
For myopia test takers who cannot correct their eyesight with laser due to such severe astigmatism, it is practically the safest and most effective way to take off their glasses to correct myopia with smile LASIK after solving astigmatism first. In my ophthalmology, I published the clinical results of observing more than 6 months after astigmatism correction was performed on 128 astigmatism eyes in the American Ophthalmology Society (AAO). The mean astigmatism, preoperative -2.36 diopters, improved from 61% of all patients postoperative to within 0.5 diopters and 85% of patients resolved astigmatism within an error of 1 diopters.
There are two most important points in correcting the eyesight of test takers and college students who are about to enter society. It is to restore vision safely and preserve the corneal surface that protects our eyes as much as possible with minimal incision and minimal damage. It is right to take a calm approach by closely checking the degree of myopia, astigmatism, and corneal conditions through precise and accurate examinations before surgery, and making a vision correction plan with medical staff.
Help = Onnuri Smile An, Director Kim Ji-sun
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This article was translated by Naver AI translator.
