Where is it easy to go blind if hyaluronic acid is injected? Will I go blind immediately after hyaluronic acid injection?

In pursuit of perfection, many women will do micro plastic surgery on their faces, inject hyaluronic acid, etc. However, due to the large number of capillaries distributed on the face, some parts are very fragile, and accidents may occur if they are not handled properly.

When removing wrinkles from the corners of the eyes and forehead, if hyaluronic acid is accidentally injected into the blood vessels, it may flow back to the ophthalmic artery through the supraorbital artery and trochlear artery, and then block the central retinal artery or ciliary artery. Once hyaluronic acid blocks the central retinal artery, it will cause acute ischemia of the retinal tissue. If rescue is not timely, blindness is likely to occur.

Hyaluronic acid, also known as hyaluronic acid, is one of the tissue components of the human dermis. It has the function of locking in moisture and making the skin more elastic. Therefore, it is often injected into the face where there are scars or where filling is needed to achieve the purpose of beauty. In fact, hyaluronic acid is also used in ophthalmology. Because it is viscous, we call it viscoelastic. For example, when performing cataract surgery, viscoelastic is needed. It is injected into the anterior chamber to maintain the anterior chamber structure and protect the cornea.

When injecting hyaluronic acid into the skin, if the operator is not familiar with the facial anatomy or the operation is not standardized, the hyaluronic acid may be mistakenly injected into the blood vessels, which may cause serious consequences. When we inject a drug, we will definitely apply a certain amount of pressure to push the drug in. At this time, if the needle is in the blood vessel, the hyaluronic acid will flow back to the upper level of the blood vessel, and then when the injection is finished, the hyaluronic acid will continue to flow along the blood vessel to the next level of thinner blood vessels, causing blood vessel blockage.

When removing wrinkles from the corners of the eyes and forehead, if hyaluronic acid accidentally enters the blood, it may flow back to the ophthalmic artery through the supraorbital artery and trochlear artery, and then block the central retinal artery or ciliary artery, with very serious consequences. The central retinal artery is a terminal artery that supplies the inner layer of the retina. Once hyaluronic acid blocks the central retinal artery, it will cause acute ischemia of the retinal tissue, which is the most urgent emergency in ophthalmology. If rescue is not timely, it is very likely to cause blindness. Even if rescue is timely, it may not be able to save much vision. If too much hyaluronic acid is injected, causing the central retinal artery and ciliary artery to be blocked at the same time, that is ophthalmic artery blockage, and vision will usually be reduced to light perception or no light perception.

Injecting hyaluronic acid does not cause blindness immediately. After injecting hyaluronic acid, it usually takes about a week for the symptoms of venous thrombosis to appear. If your vision is deteriorating, you need to go to the hospital for a comprehensive examination to see the condition of your body, and then cooperate with the doctor to use drugs for treatment. It may be caused by blood disorders, so you should closely observe changes in your body.

In recent years, with the widespread use of hyaluronic acid, there have been many reports of blindness caused by hyaluronic acid injection, which mostly occurred in informal medical beauty institutions and informal beauty doctors, because these institutions and these doctors do not have a good grasp of the anatomical structure, nor can they predict the precursors of this complication, which leads to hyaluronic acid entering the blood vessels and entering the central retinal artery through antegrade or retrograde flow, resulting in central retinal artery embolism, and ultimately leading to tragedy. Hyaluronic acid injection blindness often occurs when filling the frown lines between the eyebrows, the so-called Yingtang area above the eyebrows, and rhinoplasty, because these areas have abundant communication branches with the central retinal artery and are very close to each other, and it is easy to enter the central retinal artery through the blood vessels antegrade or retrograde with forceful injection. Therefore, do not use violent push injection during injection. When the customer experiences severe local pain, it is often a precursor to vascular damage, and the needle needs to be withdrawn to stop the injection or change the injection site. Blindness does not occur immediately after hyaluronic acid enters the blood vessels. Since the injection time is generally very short, the fact that the customer can clearly see how many fingers the operator has during the injection cannot prevent blindness. If the customer experiences increased pain or obvious discomfort during the injection, the injection must be stopped. A small number of blindness may also be related to central retinal artery spasm and ischemia caused by pain. When the customer experiences a sudden decrease in vision or blurred vision after the injection, he or she should be immediately sent to a qualified hospital for treatment.

1. Injection of hyaluronic acid may cause facial stiffness. Most people will not have any problems with hyaluronic acid injection, but a small number of people will have stiff facial muscles and unnatural facial expressions after injection. In severe cases, neurological facial paralysis and distorted mouth and eyes may occur, making them look like fake faces. Some people's faces are as smooth as white porcelain and bloodless, looking like zombie faces or plastic faces on TV. Before injecting hyaluronic acid, you must consult a doctor whether you are suitable for hyaluronic acid injection and make a careful decision.

2. Hyaluronic acid needs to be injected regularly after injection. Generally, hyaluronic acid injection can last for about a year. Since the duration of hyaluronic acid is not permanent, about one to two years after one injection, repeated injections will be required to maintain the effect of hyaluronic acid. Therefore, when injecting hyaluronic acid, you should consider your own conditions and whether you can insist on regular injections. It is not too late to make a decision later.

3. Injection of hyaluronic acid may cause facial tissue necrosis. The parts that have undergone other plastic surgery may easily become abnormal due to the frequent use of certain drugs. In severe cases, it may cause skin ulceration, inflammation, and skin tissue necrosis, causing irreversible damage. Therefore, before hyaluronic acid injection, you must cooperate with the doctor for preoperative examination and do not conceal any medical history from the doctor to avoid unnecessary harm.

4. Injection of hyaluronic acid may cause suppuration in the treated area. Generally speaking, genuine hyaluronic acid injection will not have such side effects, but inferior hyaluronic acid may not be the case. Some people inject so-called low-priced hyaluronic acid for cheapness, which may have no effect at the least, and may cause suppuration, infection, ulceration and other phenomena on the face in severe cases.