The objective of this study is to clarify the current diabetic status, including development of complications, in a nationwide cohort of type 1 diabetics, who were last examined together in a large study in 1995. These youngsters were originally participating in a nationwide study of children with type 1 diabetes in Denmark back in 1986. The investigators will try to establish risk factors for developing diabetic retinopathy. The investigators will have emphasis on retinal vessel geometry and the possibilities for early detection of reversible retinal changes, and prediction of other vascular complications.
Study Type
OBSERVATIONAL
Enrollment
132
Department of Ophthalmology, Odense University Hospital
Odense, Fyn, Denmark
Incidence of diabetic retinopathy and proliferative diabetic retinopathy
Using the ETDRS grading protocol the degree of retinopathy in 2011 will be assessed by grading 7-field fundus photographs taken at follow-up examination. This will be related to the degree of retinopathy found in the patients in 1995, where the last study of the cohort took place.
Time frame: 16 years
Vessel diameters as a predictor of diabetic retinopathy and proliferative diabetic retinopathy
Using the computer software named IVAN we will assess the average vessel diameters around the optic disc on fundus photos from 1995. This we will relate to the degree of retinopathy in 2011 to see if vessel diameters predicts diabetic eye complications.
Time frame: 16 years
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