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.
3) English. English used to be the second-most common language, but Spanish-speakers have increased much more rapidly over the past 15 years. Still, scholars have named English the worldâs âmost influential language,â due to the number of speakers (360 million) and the number of countries in which it is spoken. 4) Hindi/Urdu Although they have different written forms, Hindi and Urdu share a history, many common words, and a grammar.