Which procedure is being done in the patient?
Ans. (c) Indentation tonometryRef: Parson's 22/e. p. 126The instrument in the image is a Schiotz tonometer - which is based on principle of Indentation tonometry - a plunger will indent and thus displace aqueous to raise IOP more in a soft eye than a hard eye.
Applanation tonometry
A scan ultrasonography
Indentation tonometry
Keratometry
Glaucoma