How to perform surgery for retinal detachment?

Written by Li Min
Ophthalmology
Updated on September 11, 2024
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Firstly, there are three types of retinal detachment: rhegmatogenous, tractional, and exudative retinal detachment. For rhegmatogenous and tractional retinal detachment, surgical treatment is generally adopted. There are two common surgical methods: one is external surgery, known as scleral buckling, and the other is internal surgery, involving vitrectomy with complex retinal detachment repositioning. The choice of surgical method requires assessment by an ophthalmology specialist before a decision can be made. Exudative retinal detachment is generally treated by addressing the underlying disease and does not require surgery.

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Written by Zheng Xin
Ophthalmology
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Does retinal detachment cause eye pain?

Retinal detachment refers to the separation between the neural epithelial layer and the pigment epithelial layer of the retina at the back of the eye. Its main symptoms include flashes of light, blurry vision, and visual obstruction. It is characterized by a painless, sudden decrease in vision. Therefore, patients experiencing retinal detachment will notice flashes of light and a rapid decrease in vision prior to the condition developing, without feeling pain, thus there is no pain associated with retinal detachment.

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Written by Li Zhuo
Ophthalmology
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When is the second surgery for retinal detachment?

The question you asked is about when the second surgery for retinal detachment should take place, which implies that the first surgery for retinal detachment failed, necessitating a second surgery. Due to the proliferation of the retina, which generally peaks around two to three weeks, it is recommended that if the first surgery fails, the second surgery should be conducted about 10-14 days after the first surgery, which is about half a month later. This timing can help reduce the failure rate of the surgery and avoid the peak proliferation period of the retina.

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Written by Li Zhuo
Ophthalmology
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What is the vision like after the removal of silicone oil for retinal detachment?

Silicone oil is temporarily used to support the retina in our eyes, and its refractive power is roughly equivalent to that of a 600-degree pair of glasses. Thus, if you are not myopic, you might become nearsighted after the silicone oil is used. After the retina detaches and the silicone oil is removed, the vision mainly depends on the function of the retina, which has no relation to the silicone oil. Just as with myopia, wearing a pair of glasses might change the vision, but once the glasses are removed, the vision will revert to the retina's vision. Therefore, it mainly depends on how much vision was left before the retina detached. The recovery of the retinal function and the optic nerve function is related, and this doesn't have much to do with the silicone oil. The vision primarily depends on the remaining function of the retina.

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Written by Li Zhuo
Ophthalmology
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Can you take a plane with a detached retina?

Retinal detachment and flying are divided into pre-surgery and post-surgery considerations. Before retinal detachment surgery, it is generally permissible to fly, as this typically does not significantly impact the symptoms of retinal detachment. However, what occurs after the surgery must be considered. If, after surgery, only silicone oil is used as a filler, flying is permissible as it does not affect pressure changes. However, if an inert gas is used as a filler after retinal detachment surgery, it can expand due to changes in air pressure at high altitudes. This expansion increases its volume, which can alter the internal pressure of the eye, potentially compressing the eyeball and the retina, leading to ischemia of the central retinal artery. In such cases, where inert or expansible gases are filled within the eye, flying is not advisable until the gas has dissipated.

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Written by Zheng Xin
Ophthalmology
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Can retinal detachment heal by itself?

Retinal detachment refers to the separation between the neural epithelial layer and the pigment epithelial layer of the retina. Based on its cause, it can be categorized into rhegmatogenous retinal detachment, tractional retinal detachment, and exudative retinal detachment. Rhegmatogenous retinal detachment requires repositioning of the retina and closure of the break. If it is tractional retinal detachment, it is necessary to remove the cause, generally requiring vitrectomy and retinal reposition surgery. Exudative retinal detachment generally occurs due to inflammation or other irritations causing exudation or bleeding in the retina, resulting in detachment, typically without retinal breaks. This type of retinal detachment only requires treatment for the underlying disease, and aggressive treatment of the primary disease can generally lead to a cure. Therefore, retinal detachment must be treated; it cannot heal on its own.