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Perimetry

your partner for successful perimetry!

Benefit from the exceptional wealth of experience and expertise of OCULUS in cooperating with ophthalmologists, optometrists and all eye care professionals.

All that really matters in perimetry
OCULUS offers not only all things excessive in procuring and working with perimeters. OCULUS also stands out by its enormous expertise and experience in the field of perimetry.

The OCULUS Perimeters:
What Distinguishes our Products

Based in Wetzlar, Germany, OCULUS Optikgeräte GmbH manufactures four different automatic perimeters by the names of Smartfield, Easyfield®, Centerfield® and Twinfield®.

OCULUS Smartfield - Kompaktes LCD-Perimeter

Smartfield

The Smartfield, our smallest perimeter, is designed for static examinations up to 30° horizontal//25° vertical eccentricity, , these can be extended to 60° horizontally and 50° vertically using fixation point shift. Stimuli are presented on an LCD screen in Goldmann size III. Thanks to its closed design it can be operated without a darkroom.

More about the Smartfield

OCULUS Easyfield® - Automatikperimeter für statische Gesichtsfelduntersuchungen

Easyfield®

The Easyfield® is the most popular compact model of the OCULUS perimeter series. It can be used for static visual field examinations up to 30° eccentricity. As test stimuli it uses white light spots of Goldmann size III on a white background.

More about the Easyfield®

OCULUS Centerfield® 2 - Kompaktes Perimeter zur Gesichtsfeldprüfung

Centerfield®

The Centerfield® is suited for visual field examinations up to 70° eccentricity. This is achieved by using a fixation shift to double the instrument’s physical opening angle of 35°. Its examination repertoire includes kinetic perimetry of the central visual field as well as blue/yellow perimetry (with blue stimuli presented on yellow background). The Centerfield® operates with a Goldmann size III stimulus.

More about the Centerfield®

OCULUS Twinfield® 2 - Vollfeld-Projektionsperimeter

Twinfield®

The Twinfield® is the most comprehensive of the four OCULUS perimeters. Its repertoire includes static perimetry up to 90° eccentricity without fixation shift, kinetic perimetry (automatic kinetic perimetry or manual kinetic perimetry according to Goldmann) and color perimetry (either blue-yellow perimetry or perimetry with red stimuli). Visual field tests on the Twinfield® can be performed with stimuli of Goldmann sizes I, III and V.

More about the Twinfield®

Easyfield VR™

Easyfield VR™

Improve practice flow and reduce technician time with this next-generation perimetry device, capable of visual field screenings, visual threshold exams, color vision, contrast sensitivity, and stereo vision testing.

More about the Easyfield VR™

The OCULUS perimeters also differ in the way the stimuli are presented. The Easyfield® makes use of a fixed grid of light emitting diodes (LEDs) to generate light spots. The Smartfield performs static perimetry measurements using an LCD display of very high luminance to create the standard background illumination and the test stimuli simultaneously.

By contrast, the Centerfield® and Twinfield® models make use of a rear-surface projection system with which stimuli can be presented at any desired point on the projection surface. Rear-surface projection systems have the advantage of being able to project undeformed circular stimuli onto any desired location, making them suitable for kinetic examinations.

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