Visual acuity

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The ability to visually identify forms, letters and symbols at a standardized distance away.

Description

See a healthcare professional immediately if:

• Severe eye pain or irritation.
• Vision loss or double vision.
• Significant new eye floaters or flashes of light.

When to seek immediate medical care

Make an appointment to see a healthcare professional for:

• Not able to read or write comfortably, drive safely, or do everyday activities.

, When to make a doctor’s appointment