The unique OPD-Scan III is an advanced vision-assessment system that combines topography, wavefront, autorefraction, keratometry, and pupillometry — allowing accurate and reliable analysis of corneal aberration.
The versatility incorporated in one compact unit allows clinicians to obtain broad and precise information about the refractive status of the eye enabling comprehensive analysis and assessment, utilizing state-of-the-art data.
Multiple task based summaries allow the practitioner to better evaluate and treat a wide variety of patients from a simple glasses prescription to complex contact lenses and refractive surgery, and especially in pre- and post- operative cataract evaluations.
NIDEK’s innovative concept of combining multiple instruments in one unit was validated in its predecessor, the OPD-Scan II. Continuous development by NIDEK, the leader in the field, makes the OPD-Scan III a faster, more accurate, and more user-friendly instrument than ever before.
Wavefront aberrometry gives unprecedented assessment of visual acuity and quality of vision in addition to traditional refraction and keratometry. Simulation of retinal contrast sensitivity and visual acuity charts enable objective quantification of visual clarity.
Corneal topography provides intuitive maps and numerical data for the corneal surface.
The auto refractometer provides exceptionally accurate refractions for various pupil diameters including refractions under photopic and mesopic conditions, critical for proper assessment of both refractive surgery patients and common refractive problems.
The auto keratometer provides conventional keratometry and novel corneal surface descriptors such as APP (Average Pupil Power) and ECCP (Effective Central Corneal Power) which aid in the calculation of the correct IOL power for post-operative corneas.
Interpreting the Overview summary:
Wider Measurement Area
The OPD-Scan III’s 9.5 mm diameter wavefront aberrometry ensures full coverage of almost any pupil. Data from 2,520 data points, 175% of the industry leading OPD-Scan II, increases measurement accuracy and spatial resolution.
Greater Topography Resolution
33 blue placido mires provide a minimum of 11,880 data points which is more than 170% of the OPD-Scan II. The blue wavelength allows greater precision in ring detection. The reduced illumination creates a comfortable patient experience.
Tiltable Color LCD Screen
The 10.4-inch color LCD touch screen tilts, allowing viewing from different angles for easier measurements.
High Speed Printer and Auto Cutter
The OPD-Scan III incorporates a high speed user-friendly printer. Printer paper can be easily changed. Printed data sheets are automatically cut for convenience.
|Measurement principle||Automated objective refraction (dynamic skiascopy)|
|Spherical power range||-20.00 to +22.00 D|
|Cylindrical power range||0 to ±12.00 D|
|Axis range||0 to 180˚|
|Measurement area||ø2.0 to 9.5 mm (7 zone measurement)|
|Data point||2,520 points (7 x 360)|
|Map type||OPD, Internal OPD, Wavefront, Zernike graph, PSF, MTF graph, Visual Acuity|
|Measurement rings||33 vertical, 39 horizontal|
|Measurement area||ø0.5 to 11.0 mm (R = 7.9 mm)|
|Data point||11,880 points and more|
|Map type||Axial, Instantaneous, "Refractive", Elevation, Gradient, Wavefront, Zernike graph, PSF, MTF graph, Visual Acuity|
|Measurement range||Sphere -20.00 to +22.00 D Cylinder 0 to ±12.00 D Axis 0 to 180˚|
|Minimum measurable pupil diameter||ø2.6 mm|
|Measurement range||Curvature radius 5.00 to 10.00 mm
Refractive power 33.75 to 67.50 D (n = 1.3375)
Astigmatism 0 to ±12.00 D
Axis 0 to 180˚
|Measurement area||ø3.3 mm (R = 7.7 mm)|
|Pupillometer / Pupillographer|
|Measurement diameter||1.0 to 10.0 mm|
|Image type||Photopic, Mesopic|
|Auto tracking||X-Y-Z directions|
|Display||10.4-inch color LCD touch screen|
|Printer||Built-in thermal type line printer for data print External color printer (optional) for map print|
|Power supply||AC 100 to 240 V 50 / 60 Hz|
|Power consumption||110 VA|
|Dimensions / Mass||284 (W) x 525 (D) x 533 (H) mm / 23 kg 11.2 (W) x 20.7 (D) x 21.0 (H) " / 51 lbs.|
Part # 15-0074