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.
Spoken language, is language produced by articulate sounds, as opposed to written language. Many languages have no written form, and so are only spoken.Oral language or vocal language is language produced with the vocal tract, as opposed to sign language, which is produced with the hands and face.he relationship between spoken language and written language is complex. Within the field of linguistics the current consensus is that speech is an innate human capability while written language is a cultural invention.