Eye chart smaller symbols until the person cannot identify the symbols. The smallest symbols that can be reliably identified is considered the person's visual acuity. The Snellen chart is the most widely used. Alternative types of eye charts include the logMAR chart, Landolt C, E chart, Lea test, Golovin–Sivtsev table, the Rosenbaum chart, and the Jaeger chart. Charts display several rows of optotypes, which are standardized symbols for testing vision. Optotypes are usually letters, numbers, or geometric symbols. Each row of the chart depicts optotypes of a different size. Typically the largest optotypes are in the top row. The optotypes become progressively
Work Is a Four-Letter Word Work Is a Four-Letter Word Work Is a Four-Letter Word (also known as Work Is a 4-Letter Word) is a 1968 British satirical comedy film starring David Warner and Cilla Black, in her only acting role in a cinematic film. The film, which directed by Peter Hall, was not well received by critics even though it was based on the award-winning play "Eh?". It also marked the acting debut of Elizabeth Spriggs. Everyone is employed by the ultra-modern DICE Corporation but Valentine Brose (Warner) would rather stay at home to tend his psychedelic mushrooms. However, his bedroom is too small