The optimal solution for the study of corneal and ocular aberrations
The Onda’s corneal topography function has the same reliability and excellence found in the entire family of Keratron™ topographers.
Ocular Aberrometry and Refraction can be done under accommodative stress without cycloplegics.
The innovative software is continuously updated to include new refractive investigation features.
The software now identifies the “Strehl ratio”, an aberrometric parameter that identifies the sphero-cylindrical correction that yields maximum visual acuity in the presence of higher order aberrations. The Onda’s combination of features allows customised ophthalmic correction and full ametropic management.
Measures the curvature, axial, height, wavefront, refractive, gaussian, differential.
Measures refraction in all pupillary conditions: photopic, mesopic, and scotopic.
Measures the pupil diameter and K angle in any lighting condition.
Graphs accommodation according to defocus, astigmatism, coma, spherical aberration, and pupil.
Identifies the pupil area affected by lens opacity, in order to monitor and statistically analyse the type and extent of cataract progression.
Simulates the fit of gas permeable contact lenses for all major international manufacturers.
|Model||Keratron™ Onda model REF 161401|
|Ophthalmometer Data (sim-K)||within ±0.25D on a normal cornea|
|BFS (Best Fit Sphere) deviation||typically within ±0.15D|
|Analysis area on the pupil||7x7 mm std (7.3x7.3 mm max)|
|Sensor||Microlens Array OPTIKON design|
|Spatial resolution||128 microns ( 2350 points in the maximum pupil)|
|Wavelength SLD||840 nm|
|Wavelength LEDs||750 nm and 590 nm|
|Measurement Range||-20D +10D (@VD=14mm) (sphere)
|Defocus compensation||-11D +5D (automatic and manual)|
|Objective measurement of the patient’s accommodative response||from +1D -4D over the defocus|
|Zernike polynomials||7th order|
|Storage||temp. range between -10 °C and 60 °C
humidity 0-100% (cond. incl.)
atm pressure from 500 to 1060 hPa
|Operation||temp. range from 10 °C t o +40 °C
humidity 30-75% (non-condensing)
atm pressure from 700 to 1060 hPa
|Input voltage||from 100 to 240 Volts AC|
|Current consumption||70 VA|
|Fuses||2 x T 1 A (5 x 20 mm)|
|Regulatory compliance||Medical Device Directive 93/42/EEC|
|Technical standards||EN 60601-1:1998; EN 60601-1-1:2000;EN 60601-1-2:2001+A1:2006; IEC 60825-1:1993+A1:1997+A2:2001; EN 60601-1-4:1997+A1:1999|
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Phone: 02 9748 8777
Fax: 02 9748 8666
Phone: 07 3630 2366
Fax: 07 3630 2399
Phone: 08 9376 3700
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