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    Relationship between diabetes and grayscale fractal dimensions of retinal vasculature in the Indian population.

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    Author
    Aliahmad, B; Kumar, DK; Sarossy, MG; Jain, R
    Date
    2014-12-01
    Source Title
    BMC Ophthalmology
    Publisher
    Springer Science and Business Media LLC
    University of Melbourne Author/s
    Sarossy, Marc
    Affiliation
    Ophthalmology (Eye & Ear Hospital)
    Metadata
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    Document Type
    Journal Article
    Citations
    Aliahmad, B., Kumar, D. K., Sarossy, M. G. & Jain, R. (2014). Relationship between diabetes and grayscale fractal dimensions of retinal vasculature in the Indian population.. BMC Ophthalmol, 14 (1), pp.152-. https://doi.org/10.1186/1471-2415-14-152.
    Access Status
    Open Access
    URI
    http://hdl.handle.net/11343/255777
    DOI
    10.1186/1471-2415-14-152
    Open Access at PMC
    http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4265429
    Abstract
    BACKGROUND: Diabetes mellitus is rapidly increasing in the Indian population. The purpose of this study was to identify changes in the retinal vasculature of diabetic people, ahead of visual impairments. Grayscale Fractal Dimension (FD) analysis of retinal images was performed on people with type 2 diabetes from an Indian population. METHODS: A cross-sectional study comprising 189 Optic Disc (OD) centred retinal images of healthy and diabetic individuals aged 14 to 73 years was conducted. Grayscale Box Counting FD of these retinal photographs was measured without manual supervision. Statistical analysis was conducted to determine the difference in the FD between diabetic and healthy (non-diabetic) people. RESULTS: The results show that grayscale FD values for diabetic cases are higher compared to controls, irrespective of the gender. It was also observed that FD was higher for male compared with females. CONCLUSIONS: There is difference in the grayscale fractal dimension of retinal vasculature of diabetic patients and healthy subjects, even when there is no reported retinopathy.

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