Diagnostic Tools


Keratoconus Detection - IR Pupillometry - Corneal Wave Front - Tear Film Breakup

Keratoconus Detection


Keratoconus Cone Location Magnitude Index


Proper diagnosis of keratoconus is critical in many ways. Obviously patient health is of primary concern. But so is practice health. The consequences of a missed (or late) diagnosis can be harmful to your practice without timely management or refractive surgery resulting in unforeseen results.


The Scout’s Keratoconus Cone Location Software locates the steepest 2 mm zone in the central 8 mm of the cornea. The area corrected average of the points outside of the circle is subtracted from the area corrected average of the points inside of the circle. The procedure is repeated for a 2mm zone 180 degrees away and results are compared to determine if the steep area represents a cone. If so, the center of the cone is marked with magnitude.


Infra Red Pupillometry


Scout Software is adding a new twist to topography; Infra Red pupil diameter measurement. Measure pupil diameter with IR and visible light. the results are merged in the topography map. The diameters of "both" pupils are noted. Dark adapted pupillometry benefits refractive surgeons and contact lens fitting.


Black ring = visible light pupil diameter, Red ring = IR pupil diameter. Notice the offset.


Corneal Aberrometry


Spherical Aberration & Toric Examples


Select aspheric IOLs with greater confidence with the Scout's Corneal Aberometer mapping. Scout Software generates corneal OPD or Wave front maps with low and high order aberrations to evaluate individually or in combination. Quickly display and measure spherical aberration or corneal astigmatism for aspheric or toric IOLs.


Remove any of the orders to graphically show the effects on ray tracing, point spread function, Snellen chart and modulation transfer function. Multiple formats to analyze Zernike polynomials: Histogram RMS skyline, color box, aberration summary, etc.

Snellen chart and night view simulation of visual acuity. Import OPD data from other Wave Front devices and display internal aberration.


Below Image: Corneal topography (top left), Corneal OPD map with ray tracing generated from topo data (bottom left), Imported wave front OPD with Zernike polynomials (top right), Refractive map from topo data with Snellen chart (bottom right).


Watch this brief video showing the different aberration information functions and screens. (There is no sound.)

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Tear Film Break Up time (TBUT)


Capture 16 images in 16 seconds and then watch tear film breakup in a 1x, 2x, or 4x video. Available on corded models only (Slit Lamp Scout, Table Top Scout, Piccolo).

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