Tonometry Product Information

diaton tonometer

Diaton’s Tonometer provides high reliability of measuring results and makes it possible to diagnose glaucoma on the early stage and appoint necessary treatment and medicines.

The unique methodology of intraocular pressure measuring through the eyelid applied in the device provides new resources in ophthalmotonometry, simplicity and safety of tests.

Transpalpebral “diaton” tonometer is effective and irreplaceable in various situations:

  • screening examinations of the patients
  • IOP control during selection of adequate medicines
  • IOP measuring in the presence in a patient of chronical conjunctivitis, erosions, edema and cornea dimness
  • IOP measuring in patients after corneal surgeries
  • ophthalmotone day monitoring
  • IOP measuring in immobilized patients and in children
  • IOP measuring during contact correction (lenses are not taken out).
Tonometer by Diaton in Use

New Diaton Tonometer has a number of indisputable advantages, making the IOP measuring process handy for the doctor and comfortable for the patient.

FeaturesDiatonGoldmann TonometerShiotz TonometerAir-JetTonopen
No contact with the cornea
Displays independence from cornea's crookedness.
Digital IOP indication
Measurement in sitting position
Measurement in reclining position
Short-time measurement
Sterilization is not required
Anesthesia is not required

Comparison tests of diaton tonometer and Goldman tonometer are the evidence of high reliability of diaton tonometer displays.


Measurement range, mm Hg5-60
Measurement errorLimit of the admissible measurement error in the range, not more:
from 5 to 20 mm Hg - ±2 mm Hg;
from 20 to 60 mm Hg - ±10%
The time of a single measurement, s, not more3
Supply voltage, V3
Number of measurements using one battery set, not less1500
Service life, not less8
Weight, g89
Dimensions, mm, not more174 x 26 x 20