Arden index is related to –
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- ERG (Electroretinogram)
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- EOG (Electroculogram)
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- VER (Visual Evoked response)
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- Perimetry
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EXP:
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Arden index is related to Electrooculography
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Interpretation of results :- Results of EOG are interpreted by finding out the Arden ratio as follows :
Arden ratio = Minimum height of light peak / Minimum height of dark trough x 100
- Normal curve values are 185 or above.
- Subnormal curve values are less than 150.
- Flat curve values are less than 125.