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.
Two Basic Types of Computer Language. 1  System languages: These are designed for low-level tasks, like memory and process management. 2  Scripting languages: These tend to be high-level and very powerful. 3  Domain-specific languages: These are only used in very specific contexts. 4  Visual languages: Languages that are not text-based.