Medical Retina

Treatments

Laser treatment
The type of laser treatment used to treat diabetic retinopathy is called photocoagulation. Many people having laser treatment have very little visual impairment. Others who may have early or moderate maculopathy and proliferative retinopathy will also benefit from laser treatment.

Laser treatment for diabetic retinopathy has been the standard of care for more than 30 yrs. Together with effective screening, good blood glucose control and good blood pressure, it can successfully maintain vision.

How does it work?
Tiny laser burns allow more oxygen and nutrients to reach the retina, which improves the blood circulation. This signals that there is no need for 'new vessels' to be produced. You may need more than one treatment as the vessels may start growing again.

What’s the procedure?
1. You have local anaesthetic and pupil-dilating eye drops put in your eye.

2. A special contact lens is placed on your eye to hold your eyelids open and allow the laser beam to focus onto your retina

3. The laser beam is directed at damaged areas of the retina.

4. Small bursts of tiny beams of laser light then seal leaky blood vessels and destroy abnormal new blood vessels in the retina.

An eye specialist (ophthalmologist) carries out laser treatment and nearly always as an outpatient procedure, allowing you to go home afterwards. A session of treatment can vary in length from person to person. Ask your eye specialist how long your sessions will last and whether you will be expected to come back for more treatment.

An intravitreal injection is a shot of the medicine into the eye. The inside of the eye is with a jelly-like fluid known as vitreous. During this technique, doctor will inject the medicine into the vitreous fluid, which is near to the retina at the back of the eye. This medicine will cure certain eye problems & will also helps to protect the eye vision. Before starting this procedure discuss with your doctor about:

♦ Any health related problems
♦ Medicines you have taken, including any over-the-counter medicines
♦ Any allergies
♦ Any bleeding tendencies
Procedure:

♦ The procedure takes about 10 minutes.
♦ Drops will be introduced into your eyes to widen (dilate) the pupils.
♦ Your eyes & eyelids will be cleaned. Numbing drops will be inserted into your eye.
♦ A small device will keep your eyelids open throughout the procedure.
♦ You will be advised to look toward the other eye.
♦ Medicine will be injected into the eye with the help of a small needle. You may feel pressure, but there will be not pain.
♦ Antibiotic drops will be injected in your eye.
Photodynamic therapy (PDT) is a treatment for the wet age-related macular degeneration (wet AMD). It won’t used to treat the dry AMD. Photodynamic therapy is used only to treat wet age-related macular degeneration (AMD). And PDT will be only used for a less number of cases.

By restricting the growth of the abnormal blood vessels under macula, photodynamic therapy will help to prevent the progression of the wet AMD. It doesn’t restore the vision to the eyes that have been already damaged. But it will help to prevent further damage to the retina & further vision loss.

Some experts may think that photodynamic therapy is more effective & less destructive than the laser surgery. Photodynamic therapy can be better able to target blood vessels without destruction of the nerve cells in the macula & retina.

In photodynamic therapy, a light-sensitive medicine known as verteporfin(Visudyne) has been injected into the bloodstream. The medicine collects in the abnormal blood vessels under macula. Laser light is then shone into the eye, which will activate the medicine & causes it to create the blood clots which will block the abnormal blood vessels.

Sealing leaky blood vessels, photodynamic therapy slows down:
The buildup of fluid under the retina will distorts the shape & position of the macula. The growth of the scar tissue & the abnormal membrane which is under the retina, both of which can damage the cells in the macula.

Central vision loss.

Photodynamic therapy will takes approximately 20 minutes & will be done in a eye clinic. After the surgery the verteporfin medicine is used in PDT makes the skin & eyes more sensitive to the light. After the treatment, avoid direct sunlight for 2 - 5 days. And wear dark sunglasses to protect the eyes from sunlight.
Photodynamic therapy (PDT) is a treatment for the wet age-related macular degeneration (wet AMD). It won’t used to treat the dry AMD. Photodynamic therapy is used only to treat wet age-related macular degeneration (AMD). And PDT will be only used for a less number of cases.

By restricting the growth of the abnormal blood vessels under macula, photodynamic therapy will help to prevent the progression of the wet AMD. It doesn’t restore the vision to the eyes that have been already damaged. But it will help to prevent further damage to the retina & further vision loss.

Some experts may think that photodynamic therapy is more effective & less destructive than the laser surgery. Photodynamic therapy can be better able to target blood vessels without destruction of the nerve cells in the macula & retina.

In photodynamic therapy, a light-sensitive medicine known as verteporfin(Visudyne) has been injected into the bloodstream. The medicine collects in the abnormal blood vessels under macula. Laser light is then shone into the eye, which will activate the medicine & causes it to create the blood clots which will block the abnormal blood vessels.

Sealing leaky blood vessels, photodynamic therapy slows down:
The buildup of fluid under the retina will distorts the shape & position of the macula. The growth of the scar tissue & the abnormal membrane which is under the retina, both of which can damage the cells in the macula.

Central vision loss.

Photodynamic therapy will takes approximately 20 minutes & will be done in a eye clinic. After the surgery the verteporfin medicine is used in PDT makes the skin & eyes more sensitive to the light. After the treatment, avoid direct sunlight for 2 - 5 days. And wear dark sunglasses to protect the eyes from sunlight.

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