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.
These days, programming languages are becoming more and more general and all-purpose, but they still have their specializations, and each language has its disadvantages and advantages. Languages can generally be divided into a few basic types, though many languages support more than one programming style. This following list isn't all inclusive or as fine-grained as possible, but it brings out some of the basic design decisions behind languages.