Features:-
• It consists of rings (like the letter C) with a gap in one of eight possible directions:
• Up/Down, Left/Right, Upper Left/Upper Right, Lower Left/Lower Right.
• Considered more accurate and language-independent compared to Snellen or
Monoyer charts.
• Eliminates letter-recognition bias—good for:
• Children
• Illiterate patients
• Cross-language settings
• Research requiring precise, repeatable results







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