How Do You Interpret Snellen Chart Results? Top number equates to the distance (in metres) at which the test chart was presented (usually 6m), Bottom number identifies the position on the chart of the smallest line read by the ‘patient‘. Eg; 6/60 means the subject can only see the top letter when viewed at 6m.
How Do You Read Visual Acuity Results? Visual acuity is expressed as a fraction. The top number refers to the distance you stand from the chart. This is often 20 feet (6 meters). The bottom number indicates the distance at which a person with normal eyesight could read the same line you correctly read. How
What Is The Mean Of 6 6 Vision? Many people refer to ‘perfect’ vision as ‘6/6′ or ’20/20’ (US notation measured in feet), but this is not strictly true – these terms refer to ‘average’ vision. If you achieve a vision measurement of 6/6, this means that you can see at a distance of 6m
What Is The Maximum Angle A Human Eye Can See? The visual field of the human eye spans approximately 120 degrees of arc. Do humans have 180 degree vision? We humans are largely binocular beings. Each eye alone gives us roughly a 130-degree field of vision. With two eyes, we can see nearly 180 degrees.
What Does It Mean If The Result Of The Test Is 20 60? What does it mean if the result of the test is 20 60? 20/30 to 20/60, this is considered mild vision loss, or near-normal vision. 20/70 to 20/160, this is considered moderate visual impairment, or moderate low vision. 20/200 or worse, this