Measurement of the applanated diameter of ocular cornea using a novel optical probe

Abstract:

A precise measurement of the applanated diameter of the ocular cornea with the optical probe is very important in applanation tonometry.A novel optical probe with a common path configuration is presented.The optical probe mainly consists of a cone-shaped prism and a photodetector.The former serves as a measuring body touching the ocular cornea to shape the area to be measured,and the latter converts the quantity of the luminous flux returning from the cone-shaped prism into one electronic curren...