Applanation Tonometry
This test measures fluid pressure in your eye. The test involves using a slit lamp equipped with forehead and chin supports and a tiny, flat-tipped cone that gently comes into contact with your cornea. The test measures the amount of force needed to temporarily flatten a part of your cornea.
What is a scan?
A-scan biometry, also referred to as A-scan, utilizes an ultrasound device for diagnostic testing. This device can determine the length of the eye and can be useful in diagnosing common sight disorders.
What machine is used to check your eyes?
An ophthalmoscope is an instrument used for examining the interior structures of the eye, especially the retina.