Ophthalmologist points pen to letters on Snellen chart to check eyesight of mature woman. Female patient covers eye with palm slow motion

What do you read in this eye chart? Discover one of the potentially serious health conditions an optometrist can help detect by examining the blood vessels in the retina that line the inside of the eyes. An eye exam can do more than test your vision – it could help save your life. | BC Doctors of Optometry

Eye Examination Snellen Chart for Eyesight Test

Almanac: The eye chart

Linear vs. Logarithmic Chart Scaling | What is the difference, and which is better?

Linear vs. Logarithmic Scales | Overview, Graph & Examples

Visual Acuity (VA) Using the Snellen Chart - SlideServe