Retinal vessel measurement: comparison between observer and computer driven methods

  title={Retinal vessel measurement: comparison between observer and computer driven methods},
  author={Richard S. B. Newsom and Paul M. Sullivan and Sal M. B. Rassam and Roger Jagoe and Eva Maria Kohner},
  journal={Graefe's Archive for Clinical and Experimental Ophthalmology},
A method of semi-automated image analysis for the measurement of retinal vessel diameters is described. This was compared with an observer-driven method for reproducibility and accuracy. The coefficient of variation for the data from the semi-automated method was 1.5–7.5% (depending on the vessel diameter) compared to 6–34% with the observer-driven method. The mean vessel diameters using the observer-driven method tended to be higher; however, this did not reach significance. The speed and low… CONTINUE READING


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