Diabetic Retinopathy

An Eye on Diabetes
Diabetes mellitus is a metabolic disorder characterized by increased levels of blood glucose. The complications of uncontrolled diabetes can affect many parts of the body including the eye.

What are the eye related problems in diabetes?
Diabetic retinopathy - Changes in the retina or the light sensitive layer in the eye due to diabetes.
Glaucoma - Increased intra ocular pressure.
Cataract - Clouding of the tranparent lens in the eye.
Infections - Frequent lid boils,conjunctival and coneal infections.
Refractive errors -Fluctuation in eye power causing frequent change of glasses.

What are the symptoms of diabetic retinopathy?
It is asymptomatic in the early stage. If left undetected in the early stage and together with uncontrolled blood sugar, it can progress to severe retinal damage and irreversible vision loss. Any symptoms of floaters or even mild reduction in vision should be thoroughly eveluated in a diabetic patient.

Normal Fundas Photo

Normal FFA

Early Diabetic Retinopathy

Abnormal FFA

Proliferative Diabetic Retinopathy

Grossly Abnormal FFA

Bleeding in Diabetic Retinopathy

Laser Marks

How is diabetic retinopathy diagnosed?
Every diabetic should make an annual visit to the ophthalmologist irrespective of his age, blood sugar level or the duration of diabetes. A detailed retinal examination after dilating the pupils is essential in detecting the presence of diabetic retinopathy and in grading it. Fundus fluoresein angiogram(FFA) is performed in selected patients with diabetic retinopathy as and when advised by an ophthalmologis