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.
Spanish, for example, is the second most-used American language. Sociolinguists sometimes refer to this situation as diglossia, defined as [a] situation where two languages coexist in the same speech community but differ in domains of use, attitudes toward each, and patterns of acquisition and proficiency..