The applanation tonometer Z-800 is an accessory appliance to the CSO SL-980 (Zeiss Design) slit lamps, and it is used to measure intra-ocular pressure.

 

  • Measurement accuracy is extremely high,  the standard deviation among single measurements is approximately ± 0,5mmHg.
  • The value is expressed in mmHg and it’s read directly on the instrument.
  • Scleral rigidity need not be taken into consideration because the small volume moved (0,56 mm3) increases intra-ocular pressure by only about 2,5%.
  • Repetition of the measurement procedure does not reduce ocular pressure since no “massage effect” has been reported.
 
 
 
 
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