| The retina is the curved back layer of the eye | | | | tractional. In Tractional type of detachment, scar |
| and is covered in light sensitive cells. A retinal | | | | tissue on the retina's surface contracts and |
| detachment is a serious and sight-threatening | | | | causes the retina to separate from the RPE. This |
| event. Retinal detachment is a disorder of the | | | | type of detachment is less common.Third is |
| eye in which the retina peels away from its | | | | exudative-frequently caused by retinal diseases, |
| underlying layer of support tissue. It is usually | | | | including inflammatory disorders and injury/trauma |
| affects middle-aged or older people. Retinal | | | | to the eye.In this type, fluid leaks into the area |
| detachment occurs when the retina separates | | | | below the retina, but there are no tears or |
| from the choroid. The retina is a thin layer of | | | | breaks in the retina. There are several methods |
| light-sensitive tissue on the back wall of the eye. | | | | of treating a detached retina which all depend on |
| The optical system of the eye focuses light on | | | | finding and closing the holes (tears) which have |
| the retina much like light is focused on the film in | | | | formed in the retina. Small holes and tears are |
| a camera. The retina is a thin layer of | | | | treated with laser surgery or a freeze treatment |
| light-sensitive tissue on the back wall of the eye. | | | | called cryopexy. These procedures are usually |
| The optical system of the eye focuses light on | | | | performed in the doctor's office. During laser |
| the retina much like light is focused on the film in | | | | surgery tiny burns are made around the hole to |
| a camera. The retina translates that focused | | | | "weld" the retina back into place. Cryopexy |
| image into neural impulses and sends them to the | | | | freezes the area around the hole and helps |
| brain via the optic nerve. Occasionally, posterior | | | | reattach the retina. Scleral buckle surgery is an |
| vitreous detachment, injury or trauma to the eye | | | | established treatment in which the eye surgeon |
| or head may cause a small tear in the retina. The | | | | sews one or more silicone bands (bands, tyres) to |
| tear allows vitreous fluid to seep through it under | | | | the outside of the eyeball.Vitrectomy is an |
| the retina, and peel it away like a bubble in | | | | increasingly widely used treatment for retinal |
| wallpaper.Retinal detachment can occur more | | | | detachment.Treatment for Retinal DetachmentAn |
| frequently after surgery for cataracts. The | | | | eye surgeon must reattach a detached retina. |
| estimate of risk of retinal detachment after | | | | Laser photocoagulation, a method of sealing off |
| cataract surgery is 5 to 16 per 1000 cataract | | | | leaking blood vessels and destroying new blood |
| operations. There are three different types of | | | | vessel growth with a laser beam, is another way |
| retinal detachment. First is rhegmatogenous a tear | | | | to reattach the retina.In rare cases where other |
| or break in the retina allows fluid to get under the | | | | types of retinal detachment surgeries are either |
| retina and separate it from the retinal pigment | | | | inappropriate or unsuccessful, silicone oil may be |
| epithelium (RPE), the pigmented cell layer that | | | | used to reattach the retina. The vitreous gel is |
| nourishes the retina. These types of retinal | | | | removed and replaced with silicone oil, which |
| detachments are the most common. Second is | | | | presses the retina into place. |