Retina is the neurosensory layer of the eye which is present inside and at the back of the eye. It is on this layer that an image seen by the eye is formed, which is converted to nerve signals and transferred to the brain. Hence person with a normal eye but with a retina disease will have poor vision. The common disease affecting the retina are :-
Diabetic retinopathy (DR) is a common vascular retinal disease affecting about 40% of type 1 diabetics and 20% of type 2 diabetics. Duration of the diabetes is the most important risk factor for DR .
Treatment for DR includes Laser photocoagulation,Intra ocular injections (Avastin) and Surgical Treatment .Surgery is done with 23 gauge instruments and Alcon Accurus vitrectomy machine.
Instruments available include Topcon Digital fundus camera, Fundus flurosescein angiography (FFA-where a fluroscent dye is injected into the vein followed by taking a series of photographs of the retina), Optical Coherence Tomography (OCT), B-scan.