Ishiara charts are used by ophthalamologist for detecting

Options

A. Eye infection
B. Night blindness
C. Colour blindness
D. Finger prints

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the purpose of Ishihara charts as used by ophthalmologists.

2. **Identifying the Developer**: Ishihara charts were developed by Dr. Shinobu Ishihara in 1917. This historical context is important as it gives credibility to the tool.

3. **Purpose of Ishihara Charts**: The primary function of Ishihara charts is to detect color blindness. This is a visual impairment where individuals cannot distinguish between certain colors, particularly red and green.

4. **How the Charts Work**: The charts consist of a series of colored dots that form numbers or patterns. A person with normal color vision can identify these numbers, while someone with color blindness may not be able to see them clearly, as the colors may blend into the background.

5. **Conclusion**: Therefore, the correct answer to the question is that Ishihara charts are used by ophthalmologists for detecting color blindness.

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