Chronos

Automated Binocular Refraction System

With Chronos you can spend more time on what matters most…your patients.

Chronos combines binocular autorefraction, keratometry and subjective refraction in a single, compact device that can be placed anywhere in the practice. SightPilot® guided refraction software allows refraction to be delegated to a trained technician, so all refractive data can be captured as part of the pre-test process and exported to your EHR. When you enter the exam room, you can review the results and, if desired, quickly confirm the refraction.

Watch this quick Chronos demo

 

Features and Benefits

Chronos Features

Delegate Data Collection
SightPilot software guides the operator through the entire process, so you can delegate the upfront refraction and acuity testing to a technician.

Maximize Doctor-Patient Time
Enter the exam room with all refraction data at your fingertips to make the most of your time with each patient.

Save Space
Chronos combines an autorefractometer, a keratometer, phoropter and acuity testing chart into a single instrument with a compact footprint that can be placed anywhere in the practice.

Grow Your Practice
Use the time saved to see more patients, add a new specialty to the practice or spend more time counseling patients about their eye health.

Chronos in Clinical Practice

Topcon Chronos is the all-in-one* digital refraction solution

Chronos combines binocular autorefraction, keratometry and subjective refraction in a single, compact device that can be placed anywhere in the practice. Now you can transform the time you spend on refraction into quality time with your patients.

*All–in–one system combines binocular autorefraction and keratometry with subjective binocular testing and visual acuity.

Practice Refraction Workflow

with SOLOS Automated Lens Analyzer + Chronos
+ CV-5000S Phoropter

1. Refractive data and previous spectacles loaded into Chronos before doctor enters exam room.
2. Chronos streamlines the refraction process to deliver time savings that may be used at the discretion of the doctor/practice.
3. Topcon SOLOS, Automatic Lens Analyzer
4. Topcon CV-5000S, Phoropter

Ready to learn more?

Contact us today

Simply use the form below and your local Topcon Healthcare representative will be in touch soon, or call us at 1 800 361-3515. For technical support, please click here.  ​

CHRONOS SPECIFICATIONS

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Objective Measurement

Refraction Measurement Range

Spherical refractive power: -25D – +22D
Cylindrical refractive power: -10D – 0D
Cylinder axial angle: 1° – 180°

Corneal Curvature Measurement Range

Corneal curvature radius: 5.00mm – 10.00mm
Corneal refractive power: 67.50D – 33.75D (Conversion value when the corneal refractive ratio is 1.3375)
Corneal principal meridian direction: 1° – 180°
Corneal principal meridian direction: 1° – 180°

Minimum Measurement Unit

Spherical/cylindrical refractive power: 0.12D
Cylinder axial angle: 1°
Corneal curvature radius: 0.01mm
Corneal refractive power: 0.12D
Corneal principal meridian direction: 1°

Display of Measured Value

Displayed on the screen of the operation controller.

Minimum Measurable Pupil Diameter

Φ2.0mm

PD Measurement Range

50mm – 80mm

Minimum PD Measurement Unit

0.5mm

Subjective Measurement

Refraction Measurement Range

Spherical refractive power: -18.00D ≤ Equivalent spherical power ≤ +18.00D
Cylindrical refractive power: -8.00D ≤ Cylindrical refractive power (Cylindrical power) ≤ 0.00D

Cylinder axial angle: 1° – 180°
Horizontal prism (One eye movable range): ±15.0Δ
Vertical prism (One eye movable range): ±2.5Δ

Minimum Measurement Range

Spherical/ADD refractive power: 0.25D
Cylindrical refractive power: 0.25D
Cylinder axial angle: 1°
Prism refractive power: 0.1Δ

Test Distance

Far-/Near-point test distance can be set between 25cm and 6.096m

Visual Acuity Measurement Range

0.05 – 1.6

Chart

Visual acuity test chart, spherical power correction test chart,
astigmatism test chart and binocular function test chart

Background Luminance

155±15cd/m2

Display of Measured Value

Displayed on the screen of the operation controller.

Record of Measured Value

Printing by thermal printer/external printer, data output

Measuring Head Movement

Right-and-left direction: Inside 9mm to Outside 12.5mm
Up-and-down direction: Down 15mm to Up 15mm
Back-and-forth direction: Forward: 20mm – Backward: 20mm

Measuring Head Rotary Angle

Convergence 17.5° to Divergence 8.5° (Eyeball torsion axis center)

Other Specifications

Main Unit Dimensions and Weight

Dimensions: 20.1-21.2in (H) x 26.4-30.2in (W) x 10.9-14.1in (D)/ 510-540mm (H) × 671766mm (W) × 278-357mm (D)
Weight: 68.8lb/31.2 kg

Power Supply Unit Dimensions and Weight

Dimensions: 10.9in (H) x 4.6in (W) x 7.8in (D)/ 276mm (H) x 117mm (W) x 197mm (D)
Weight: 7.7lb/3.5 kg

Electric Rating

Source voltage: AC100 – 240V
Frequency: 50 – 60Hz
Power input: 160VA

Chronos Brochure

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