High School Earth Science/Geologic Time Scale - Lesson Summary. 1  The Earth is very old, and the study of Earth's past requires us to think about times that were millions or even billions of years ago. Scientists use the geologic time scale to illustrate the order in which events on Earth have happened.
Medical Definition of intraocular pressure. : the pressure within the eyeball that gives it a round firm shape and is caused by the aqueous humor and vitreous body.
Underline the suffix in the term and then give the meaning of the term ophthalmoscopy. ophthalmoscopy. Scopy is the suffix. The term means process of visual examination of the eye.