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Retinal Detachment

Posted by Healthy Natural Life on Saturday, November 11, 2017

DEFINITION
Retinal detachment is a separate / detachment of the retina from the underlying tissue backers.

CAUSE
The retina is a transparent membrane at the back of the eye that process the image focused on the retina by the cornea and lens.
Retinal detachments can be started in a small area, usually due to a tear in the retina. If not treated immediately, the entire retina can come loose. Retinal tears can cause retinal detachment is more likely to occur in people with:
·         Severe myopia
·         Cataract surgery
·         Eye injury
·         Lattice retinal degeneration (thinning and scarring of the retina)
·         Family history of retinal detachments
When a detached retina, the retina detached from the layer that supply blood to the retina. If not attached back, they can lead to permanent damage to the retina due to lack of blood.
Sometimes retinal detachments are not caused by the tear. Retinal detachment can occur as a complication of the disease that causes damage to the retina, for example, diabetes and inflammatory diseases. Retinal detachments also often occur spontaneously. In premature infants, retinal detachment can occur due to retinopathy of prematurity result.


SYMPTOMS
Retinal detachments do not cause pain. Patients usually see objects hovering (floaters) in the visual field or the number of flashes of light or bright light that appears overnight, as well as the vision becomes blurred.
Usually vision is lost first is the edge of the field of vision, loss of vision extends in line with the development of retinal detachment. Loss of vision causes visual field grayish or looked like the curtain coming down on sight.
Some cases of retinal detachment initially causes no symptoms. But if the macula apart, it will soon happen impaired vision and sight becomes blurred.

DIAGNOSIS
Diagnosis is based on symptoms exist and eye examination results. Retinal detachments can usually be seen using an ophthalmoscope. If the detached retina is not visible, it can be helped by eye ultrasound examination to identify.
Retinal detachments

TREATMENT
Most retinal detachments can be repaired. A tear in the retina can be repaired with laser surgery or freezing therapy (cryotherapy). Often detached retina reattached to provide gas bubbles to hold the retina in place.
Retinal detachment caused by diseases that affect the retina, such as diabetes, can be treated with vitrectomy, which is surgery to remove the vitreous fluid in front of the retina. Then air, gas, or liquid injected into the vitreous space to attach the retina back.
Surgery is not always able to re-attach the retina, and the retina were successfully attached back guarantee is not able to return to normal vision. The improvement in vision after surgery depends on the location of retinal detachment, if the macula is affected, and how long retinal detachment occurs. The recovery of eyesight may take several months after the retina re-attached. Vision loss can not be recovered in some patients.

PREVENTION
Use goggles to prevent trauma to the eye.
People with diabetes should control their blood sugar levels carefully.
If you have a risk of suffering from retinal detachment, eyes tested at least annually.

REFERENCE
- G, Sunir J. detachment of the retina. Merck Manual Home Health Handbook. 2013.

- Mayo Clinic. Retinal Detachment. 2013.


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