Live stream preview

Next video will start in 30 seconds

FI002 Pulsair™ non-contact tonometer procedure

Close Open

FI001 Pulsair™ non-contact tonometer calibration

Further Investigation Procedures • 20s

Up Next in Further Investigation Procedures

  • FI002 Pulsair™ non-contact tonometer ...

    Only when the tonometer is at the correct distance and properly aligned with respect to the patient’s cornea, will the image of the corneal reflex fall onto three photodetectors in such a way that more light falls onto the two outer detectors than the central one. At the moment that the instrumen...

  • FI003 Goldmann tonometer calibration

    The Goldmann applanation tonometer consists of an applanating probe and weight loaded lever system, which is placed on a slit-lamp mount. The end of the probe is brought into contact with the anaesthetised cornea. When contact is made, the clinician views the applanated area (which is made visibl...

  • FI004 Perkins tonometer calibration

    This is a hand held version of the Goldmann tonometer. It uses a spring to exert a variable force upon the eye. It can be used with patients supine or erect. Since it lacks the control and security of a slit-lamp, care must be taken to stabilise the instrument to ensure centration without causing...