การยิงเลเซอร์ที่ถุงเลนส์ (Yag Capsulotomy) คืออะไร?

<p>Because after cataract surgery, complications such as posterior capsule opacification can occur. It can be found as frequently as 19.7%. Using laser light to target the cloudy area of the lens capsule after cataract surgery with lens replacement is considered an option to help resolve this complication.</p>
<h2 style="color: #008080;"><span style="color: #00826a;">Purpose of Laser Treatment on the Lens Capsule</span></h2>
<ol>
<li>To improve vision</li>
<li>To better visualize the back of the eye, which is beneficial for patients who need retinal treatment</li>
</ol>
<p><span style="color: #00826a;"><strong>(In cases where posterior capsule opacification is detected, patients need to undergo this treatment)</strong></span></p>
<h2 style="color: #008080;"><span style="color: #00826a;">If you refuse treatment, these are the possible risks&#8230;</span></h2>
<ol>
<li>Blurred vision due to the cloudy lens capsule (seeing blurry images), which hinders daily life and increases the risk of accidents</li>
<li>In cases of retinal disease, the doctor cannot clearly see the lesions on the retina, and treatment outcomes may not be as effective as expected</li>
</ol>
<h2 style="color: #008080;"><span style="color: #00826a;">Laser Procedure Steps</span></h2>
<ol>
<li>Instill pupil-dilating drops for about 30-60 minutes to prepare the pupil before laser treatment</li>
<li>Instill anesthetic drops</li>
<li>Sit in front of the laser machine, place the chin on the chin rest, the doctor places a lens on the corneal surface (the patient keeps their eyes wide open and steady)</li>
<li>The doctor directs the laser light at the lens capsule, which takes about 1-3 minutes (there may be slight eye stinging but no pain)</li>
</ol>
<h2 style="color: #008080;"><span style="color: #00826a;">Patient Instructions</span></h2>
<p><span style="color: #00826a;"><strong>Before the procedure</strong></span></p>
<ol>
<li>No need to stop medications that increase bleeding risk such as blood thinners, NSAID pain relievers, supplements containing Omega 3, vitamin E, or herbal medicines (ginseng, reishi mushroom)</li>
<li>If the patient cannot keep their eyes wide open and steady without moving (about 1 minute) and tends to move their eyes back and forth, which may cause bleeding in the eye after laser treatment, it is recommended to stop medications that increase bleeding risk 7 days before the laser procedure</li>
</ol>
<p><span style="color: #00826a;"><strong>After the procedure</strong></span></p>
<ol>
<li>Resume normal daily activities, can get the eyes wet, and eat normally</li>
<li>After 8 hours, vision depends on the underlying condition. Vision will improve significantly if the patient has no retinal problems. If there are other eye diseases, vision will remain as per those conditions</li>
</ol>
<h2 style="color: #008080;"><span style="color: #00826a;">Possible Side Effects</span></h2>
<ul>
<li>Increased floaters or dark shadows in the eye may be seen in patients with pre-existing vitreous degeneration 2-4 weeks after laser treatment</li>
</ul>
<p><span style="color: #00826a;"><strong>Note</strong></span></p>
<ol>
<li>After laser treatment to remove the lens capsule, the capsule debris will settle in the eye. If the eye is subjected to trauma, dark shadows or debris may be visible in the eye</li>
<li>In diabetic patients, after cataract surgery with lens replacement, there is a higher and faster chance of developing posterior capsule opacification compared to normal individuals</li>
</ol>


After cataract surgery, complications such as posterior capsule opacification can occur in up to 19.7% of cases. Using laser light directed at the cloudy posterior capsule can help resolve this.

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What is laser treatment on the lens capsule (Yag Capsulotomy)?

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