Specification Detail
Intended patient population 5–85 years old
Accuracy (agreement with subjective refraction) <= 0.25 D: 60-70% of patients
<= 0.5 D: 80-90% of patients
(see publications)
Cylindrical Range -6D to +6D, increments of 0.01D, 0.125D, 0.25D
Axial Range 0–180º, increments of 1, 5, 10 degrees
Spherical Range -10D to +10D, increments of 0.01D, 0.125D, 0.25D
Interpupilary Distance Range 47 - 78 mm continuous
Accommodation Control Binocular open view
Measuring Wavelength 785nm
Pupil Size 2 - 8 mm
Cyclopegic Requirements None
Device Dimensions 11*6.5*3.25 in (28*16.5*8.25 cm)/1kg
Specification Detail
Amblyopia or strabismus May require monocular measurement
Contact lens wearers Over-refraction compatible
Dilation requirement None
Illumination Requirements Works in any illumination
Furniture Requirements None
Calibration Requirements None
Materials This product is latex-free
Storage / Transport Travel hard shell case included
Laser Safety Class |
Interfaces Bluetooth
Battery Specifications 6-8 Hours of Operation ; 6 Hours charge time
(8 hours for initial charge)
Time per Measurement 10 seconds per eye

Anywhere Anytime Accurate Eye testing

With e-see, you can conduct auto refraction easily, anywhere—without compromising quality.
That means you can see more patients, and help them make the best vision care choices.

Schedule a Demo