India stands to become largest diabetic
population by 2010.Population of diabetic patients in India
is 34 million acording to various sources.
Non-Proliferative Diabetic Retinopathy (NPDR)
NPDR, also known as background retinopathy, is an early stage of diabetic retinopathy and occurs when the tiny blood vessels of the retina are damaged and begin to bleed or leak fluid into the retina resulting in swelling (diabetic macular edema) and the formation of deposits known as exudates. Many people with diabetes develop mild NPDR often without any visual symptoms.
PDR carries the greatest risk of loss of
vision and typically develops in eyes with advanced NPDR.
PDR occurs when small blood vessels on the retina or optic
nerve become blocked consequently starving the retina of
necessary nutrients. In response, the retina grows more
blood vessels (neovascularization). Unfortunately these new
vessels are abnormal and cannot replenish the retina with
normal blood flow.
Generally, people with mild NPDR do not have
any visual loss. A dilated eye exam is the only way to
detect changes inside the eye before loss of vision begins.
People with diabetes should have an eye examination at least
once a year. More frequent exams may be necessary after
diabetic retinopathy is diagnosed.
Diabetic retinopathy is diagnosed by dilating the pupil and looking inside the eye with an ophthalmoscope. If an ophthalmologist discovers diabetic retinopathy, he or she may wish to order color photographs of the retina through a test called fluorescein angiography. During this test, a dye is injected into the arm and quickly travels throughout the blood system. Once the dye reaches the blood vessels of the retina, a photograph is taken of the eye. The dye allows the ophthalmologist to detect damaged blood vessels that are leaking dye.
The most effective overall strategy for
diabetic retinopathy is to prevent it as much as possible.
Strict control of blood sugar levels will significantly
reduce the long-term loss of vision from retinopathy. With
improved diagnosis and treatment, only a small percentage of
people with retinopathy develop serious vision problems.
Diabetic Eye Unit established at SRN provides constant care for diabetic patients.It involves routine screening of diabetics to detect retinopathy.If detected early patients can be managed medically by FFA and laser treatment,thereby preventing further decrease in vision.
We have found very encouraging results with use of Anti VEGF drugs like Avastin and Lucentis in cases of macular oedema and PDR cases .
Patients presenting at a later stage with decreased vision due to vitreous hemorrhage and tractional retinal detachment require vitrectomy We have experienced VR surgeon to perform vitreoretinal surgeries
▪ Fundus fluorescein angiography (FFA)
with Fundus Camera (Carl Zeiss Meditech,Germany)
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