Visual acuity

Definitions

Description

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

When to seek immediate medical care

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 make a doctor's appointment

Make an appointment to see a healthcare professional for:

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