The Tono-Pen is a handheld device thatâs shaped like a large marker. It provides a digital readout of eye pressure. Your doctor can use it to touch your eye and measure pressure. Though useful in many cases, the Tono-Pen is considered less accurate than the Goldmann tonometer in people with normal corneas.
The English language has two types: British English and American English. Other variations such as Oxford English, Standard English, or other variants are mere adaptations of the two types (especially for consistency or reference use, e.g., in media or publication). British English.
Most of the time English is used as a communication language, but in multilingual countries such as Belgium (Dutch, French and German), Switzerland (German, French, Italian and Romanche) or Spain (Spanish, Catalan, Basque and Galician) it is common to see employees mastering two or even three of those languages.