Early diabetic changes in the nerve fibre layer at the macula detected by spectral domain optical coherence tomography
Aim
To detect early nerve fibre layer (NFL) changes around the optic disc and macula in diabetic patients using Cirrus HD-optical coherence tomography (OCT).
Methods
Forty normal patients without any optic nerve or retinal disease, 37 patients with diabetes with no diabetic retinopathy (NDR) and 89 patients with diabetic retinopathy (DR) of differing severity were enrolled. The NFL thickness around the optic disc was measured using Cirrus HD-OCT. The NFL thickness at the macula was also determined by scanning the macula with the optic disc scanning technique.
Results
The NFL thickness around the optic disc differed statistically among all groups ...
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