Snellen chart

This is identical to the letter C from a Snellen chart.

The traditional Snellen chart is printed with eleven lines of block letters.

This is often measured with a Snellen chart.

The traditional Snellen chart uses 10 different letters.

See a picture of a Snellen chart .

A Snellen chart or other eye charts may initially reveal reduced visual acuity.

Atrophy leads to the loss of two or more lines of the Snellen chart.

A Snellen chart is one type of eye chart used to measure visual acuity.

It is identical to the "C" that is used in the traditional Snellen chart.

The scale of the tumbling E chart is the same as with the standard Snellen chart.

This test has a layout similar to a typical Snellen chart, with lines of numbers decreasing in size towards the bottom of the page.

An eye chart, such as a standard Snellen chart of progressively smaller letters, is then used to determine the patient's visual acuity.

Since its inception, more copies of the Snellen Chart have been sold in the United States than any other poster.

Hermann Snellen publishes the Snellen chart for testing visual acuity.

The child's central acuity can be normal, giving detail that is sharp and clear, and there may be no difficulties in reading the Snellen Chart.

In contrast to other visual acuity charts, such as the Snellen chart, the sizes of the letters progress systematically in geometric progression.

Hermann Snellen (Netherlands) introduced the Snellen chart to study visual acuity.

Snellen charts are named after the Dutch ophthalmologist Herman Snellen who developed the chart in 1862.

Wall-mounted Snellen charts are inexpensive and are sometimes used for approximate assessment of vision, e.g. in a primary-care physician's office.

Dr. Snellen developed the eye examination chart that bears his name (Snellen Chart).

In the case of the traditional Snellen chart, the optotypes have the appearance of block letters, and are intended to be seen and read as letters.

The usual test that is given for this is the Snellen chart for visual acuity, which is well known to anyone who has had a routine medical examination.

Independent examination before and after training was undertaken using Snellen charts, and use of a retinoscope after introduction of a cycloplegic agent.

This type of chart is a variation of the Snellen chart and shows the capital letter E at different sizes and rotated in increments of 90 degrees.

In contrast to the LogMAR chart, the Snellen chart which is also used in assessing visual acuity has the following differences: