Straylight Meter for Quantification of Light Scattering in the Eye
With this product development, OCULUS is once again living up to its motto, “We focus on progress”. The C-Quant makes it possible to measure the amount of straylight in a human eye individually and reliably. The effect of increased straylight in the human eye can be compared to looking through a dirty windshield.
Functions
The Benefits
- The C-Quant is computer-controlled, so examination data and results can be saved
- The examinations are conducted monocularly
- The inclination angle of the unit can be adjusted to suit the patient’s requirements
- An instruction phase at the beginning of the examination enables the examiner to determine whether the patient has understood the process
- Corrective lenses can be inserted
- At the end of the examination, all of the patient’s answers are shown in the flow chart, together with the result.
- Reliability indicator for quality control purposes
Presentation of the Results
- Absolute straylight value as a log(s)
- Graphic display of the straylight compared to an age-related normal examination time
- Standard deviation of the individual measuring points (Esd)
- Reliability coefficient (Q)
- Printout possible
Cause
Increased ocular straylight is almost always caused by a lens cataract, but can also be caused by the cornea too, e.g. after refractive surgery.
In short: Increased ocular straylight reduces visual acuity and thus impairs the quality of life.
The C-Quant now provides a way to detect this cause of reduced visual acuity, and the patient can thus be given more comprehensive advice and be offered possible solutions to improve his individual quality of life.
Examination
The examination with the C-Quant is specifically designed for older patients and those with reduced visual acuity and takes approx. 1 to max. 2 minutes per eye.
Technical Data
Light source | white LED |
Maximum LED brightness | 300 cd/m² |
Size of the test field | 14° |
Examination duration | Approx. 1 minute |
Interface | USB or serial |
Weight | 4.4 kg |
Dimensions | 24.5 x 35.6 x 28.6 – 37.4 cm |
Included in delivery | C-Quant basic unit, power adapter, mains cable, USB cable, dust cover, set of lenses in wooden case, operating instructions, installation CD |
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Tel. +1 888 284-8004