There are many ways to determine the speed of sound. The method we will use in this lab is both fairly. straight forward and the equipment needed is fairly minimal. We will be creating sounds and recording. them with two microphones. We will measure the di erence in distance between the paths the sounds take.
High pressure inside of the eye is caused by an imbalance in the production and drainage of the fluid in the front of the eye (aqueous humor). The channels that normally drain the fluid from inside the eye consequently do not function properly or are blocked.
When your doctor shoots a puff of air into your eye, she can measure eye pressure via light reflections. Dilation: In order to look deep inside your eyes, your m.D. or o.D. needs to dilate, or widen, your pupils with a few painless eye drops (you'll have fuzzy vision for a while).