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Effects of postural changes on measured intraocular pressure and repeatability of PT-100 tonometer and agreement with applanation and indentation tonometry

Expiry Date
: 19/10/2029
CPD Units
: 2.00 Points
Rating
: Not yet rated.

The study assessed the effect of head and body position changes on the repeatability of intraocular pressure (IOP) measurements using PT-100 non-contact tonometer compared to Goldmann and Schiøtz tonometers.

Keywords: glaucoma; intraocular pressure; non-contact tonometer; Goldmann applanation tonometer; repeatability; posture.

Reading material:

Educational Objectives

Educational Aim:
This study aimed to determine the effect of change in head and neck position and body posture on the repeatability of intraocular pressure (IOP) measurements with PT-100 non-contact tonometer and compare with Goldmann, PT-100 and Schiøtz tonometer readings.

Educational Outcomes:
Upon completion of this module practitioners should have a clear understanding of:

  1. The influence of head and body positions on PT-100 tonometer's IOP measurement reliability.

  2. The accuracy of PT-100, Goldmann, and Schiøtz tonometers.
  3. The correlation between central corneal thickness and IOP measurement differences across tonometers.

Instructions for this Module

  • Read the supplied reading material and complete the quiz that follows;
  • You have three attempts to pass the quiz;
  • The pass grade is 70%;
  • You need to pass the quiz to claim your CPD certificate;
  • Please click on the CPD certificate link below to claim your CPD certificate and to update your CPD Manager.

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