Optic Disc Area Calculator

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Estimate Disc Area from the Heidelberg Spectralis OCT optic nerve report

Measure ring diameter (mm):

Measure horizontal disc diameter (mm):

Measure vertical disc diameter:

Calculate

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1. Obtain the Heidelberg Spectralis optic nerve report. The report must show an image of the optic nerve head and the superimposed peripapillary ring where peripapillary segmentation was performed.

2. Measure ring diameter
3. Measure horizontal optic nerve diameter
4. Measure vertical optic nerve diameter