Visual Acuity Test
This topic will help you understand the vision measurement examination and how to prepare for it.
What Is the Vision Measurement Procedure?
Vision measurement is an examination to assess visual acuity and evaluate the level of vision, clearly seeing from a distance of 6 meters, to diagnose the cause of impaired or altered vision.
- There are several methods for measuring vision, including:
- Snellen chart: The most common visual acuityEtest, where a list of lettersEgradually decreases in size, is presented.
Random E test: Uses the letter E with varying directions and sizes.
When Is a Vision Measurement Examination Performed?
- Vision examination is typically conducted for individuals who experience blurred vision to diagnose certain conditions, such as:
- Hyperopia (farsightedness).
- Myopia (nearsightedness)..
- Refractive errors (astigmatism).
Presbyopia.
- A vision exam is recommended in case of:
- Any change in vision.
Children between the ages of 3 and 5 years.
How to Prepare for a Vision Measurement Examination?
