Designed to assess the clarity and sharpness of a patient’s visual abilities, visual acuity testing systems are based on having the patient view a chart of optotypes, colors or patterns. A standard part of most exam lanes, visual acuity tests can take a number of forms. At their simplest, these tests can be preprinted cards or charts that can be hung or projected on a wall. However, newer digital visual acuity testing systems are built around computer monitors which allow the system to feature a large number of vision tests that can be accessed via remote control and set up for direct or mirrored viewing. Whether evaluating a new patient or conducting a post-op assessment, a visual acuity testing system can be an important part of a practice.
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- Network Interface: Inquire
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- Refraction Range: Inquire
- Max Illumination: Inquire
- Features:
- Safe-distance
- Small space requirements
- Less components
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- Network Interface: Inquire
- Weight: Inquire
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- Dimensions (W x H x D): Inquire
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- Max Illumination: Inquire
- Features:
- Testing for CSF Under Glare Conditions at low, medium or high luminance levels. Can be performed at either mesopic or photopic luminance levels
- Preferred Optotypes; Rotationally symmetric targets and randomly presented optotypes. Eliminates biases from the patient with non-rotational symmetric optical aberrations such as residual astigmatism, trefoil, coma, etc.
- ANSI & ISO Guideline Conformance; Conducts contrast sensitivity testing at (1.5, 3, 6, 12 and 18) cycles per degree and at light levels of 85 cd/m2 (photopic) and 3 cd/m2 (mesopic). Plus, includes all of the options and parameters the agencies require for contrast testing
- Conduct Standard Vision Testing; Integrate with the M&S Smart System comprehensive visual acuity, contrast sensitivity, fixation and video display systems. Approved for clinical trials using the eETDRS and ATS protocols for visual acuity
- Quick Test Feature that reduces test time on patient return visits by starting at 0.3 log units above previous threshold, minimizing test time to less than 3 minutes per eye
- Automated-user interactive testing eliminates technician bias or erroneous data
- Store multiple test results by patient to track changes in CSF function over time; results can be stored locally or transferred to any media storage device
- Graph, compare and print patent results against normative data
- Utilizes Smart System integrated database to store and transmit test results within minutes of test completion via internet connections
Type: Digital, Automated
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Stereo Optical Company, Inc.
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- Dimensions (W x H x D): Inquire
- Refraction Range: Inquire
- Max Illumination: Inquire
- Features:
- Remote controlled and uses color corrected lighting
- Requires only 2 square ft. of space, is lightweight and portable, weighs less than 15 pounds
- Contrast sensitivity slide packages are available at an additional cost
- Type: Digital
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Stereo Optical Company, Inc.
- Network Interface: Inquire
- Weight: Inquire
- Display: Inquire
- Power Requirements: Inquire
- Dimensions (W x H x D): Inquire
- Refraction Range: Inquire
- Max Illumination: Inquire
- Features:
- Instruments are manually controlled & color corrected
- Requires 2 square ft. of space, is lightweight and portable, and weighs less than 15 lbs
- Contrast Sensitivity and Peripheral Tests are optional, as well as customized slide packages
- Instrument is available in 2 models: Optec® 5000P includes a peripheral test. Optec*reg; 5000 does not.
Type: Digital
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- Network Interface: Inquire
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- Dimensions (W x H x D): Inquire
- Refraction Range: Inquire
- Max Illumination: Inquire
- Features:
- Utilize automated protocol that provides results with normative data or manually test patients using the M&S Remote Control or Keypad
- Measure contrast at ANSI Standard 18, 12, 6, 3 and 1.5 Cycles/Degree from 100% to 0.8% contrast
- Normative data study conducted in 2010 by Illinois College of Optometry
- All targets are precisely sized according to the testing distance for maximum accuracy
- Test in under 5 min
- Perfect for monitoring progression of cataracts and assessing quality of vision
- Display a graph comparing your patient’s results to normative data at the end of the testing algorithm
Type: Digital
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Good-Lite (Formerly Richmond Products, Inc.)
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- Refraction Range: Inquire
- Max Illumination: Inquire
- Features:
- Substantially increased the uniformity of illumination across the entire 550 sq. cm test area
- Improved the durability of the chart - now printed on styrene
- Increased bulb life span by 10 times using LED illumination
- Compact, Universal power supply (110/220 50/60 Hz)
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Other Visual Acuity Testing Systems Products
- Network Interface: Inquire
- Weight: (unpacked) 5.3 kg (11.6 lbs.)
- Display: 24 in. LED backlit LCD (1920x1080 Pixels)
- Power Requirements: Inquire
- Dimensions (W x H x D): 60.5 cm (23.8 in.) x 38.8 cm (14.9 in.) x 7.7 cm (3.1 in.)
- Refraction Range: 1.83 m (6 ft) - 7.5 m (24.6 ft)
- Max Illumination: 220 cd/m2
- Features: Optotype Selection:
- 17 Letter Set, 8 Letter Set, Sloan, Landolt C, Landolt C O, Numbers, Tumbling E, Cyrillic
- Children's Optotypes: Osterberg, Pigassou (with key card), Kolt-Like Symbols, Sheridan Gardiner letters (with key card), Lower Case Letters, Allen Symbols, Other Children's Images
- Decimal, Snellen or Metric notation can be selected
- Standard and Logmar progressions are available
Special Test Charts:
- Astigmatic Tests: Cross Cylinder Dot Test, Astigmatic Dial with Numbers, Astigmatic Dial with Lines, Astigmatic T
- Fusion and Phoria Test Charts: Fixation Dot, Fixation Dot with Lines, Aniseikonia, Mallet, Maddox Light
- Binocular Balance Charts: Schober, Red/Green filters for optotypes, Red/Green Chart, Polarized Chart with lines of decreasing size numbers, Polarized Red/Green
- Complete MKH chart sequence for Phoria and Stereopsis testing
- Suppression Tests: Worth 4 and Red/Green letters
- Crowding Bars
- Contrast Sensitivity Testing: Sine Wave Grating with 5 frequency levels, adjustable contrast and image angle, and the ability to plot or download data points
- ETDRS Test Charts
- Color Vision Test Charts
Additional Features:
- Children’s video
- Educational images
- Ability to add custom videos or images as desired
- Type: Inquire
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- Network Interface: Inquire
- Weight: (unpacked) 5.9 kg (13.1 lbs.)
- Display: 24 in. (60 cm) LED backlit LCD (1920x1080 Pixels)
- Power Requirements: Inquire
- Dimensions (W x H x D): 58.92 cm (23.20 in.) x 39.62 cm (15.60 in) x 7.62 cm (3.00 in.)
- Refraction Range: 1.83 m (6 ft) - 7.5 m (24.6 ft)
- Max Illumination: 220 cd/m2
- Features:
- Purpose built for acuity testing
- Wide range of optotypes and tests
- 24 inch high resolution LED backlit display
- Cool running, free of moving fans or hard drives
- Pediatric fixation cartoon video
- Connects to Reichert digital Phoroptors
- Astigmatic testing
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- Network Interface: Inquire
- Weight: (unpacked) 5.9 kg (13.1 lbs.)
- Display: 24 in. (60 cm) LED backlit LCD (1920x1080 Pixels), with passive 3D capability
- Power Requirements: Inquire
- Dimensions (W x H x D): 58.92 cm (23.20 in.) x 39.62 cm (15.60 in) x 7.62 cm (3.00 in.)
- Refraction Range: 1.83 m (6 ft) - 7.5 m (24.6 ft)
- Max Illumination: 220 cd/m2
- Features:
- Purpose built for acuity testing
- Wide range of optotypes and tests
- 24 inch high resolution LED backlit display
- Cool running, free of moving fans or hard drives
- Pediatric fixation cartoon video
- Connects to Reichert digital Phoroptors
- Astigmatic testing
- ETDRS
- Patient education images
- Contrast sensitivity testing
- Import your own videos and images
- Stereo testing
- Color vision testing
- Type: Inquire
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- Network Interface: Inquire
- Weight: (unpacked) 5.9 kg (13.1 lbs.)
- Display: 24 in. (60 cm) LED backlit LCD (1920x1080 Pixels)
- Power Requirements: Inquire
- Dimensions (W x H x D): 58.92 cm (23.20 in.) x 39.62 cm (15.60 in) x 7.62 cm (3.00 in.)
- Refraction Range: 1.83 m (6 ft) - 7.5 m (24.6 ft)
- Max Illumination: 220 cd/m2
- Features:
- Purpose built for acuity testing
- Wide range of optotypes and tests
- 24 inch high resolution LED backlit display
- Cool running, free of moving fans or hard drives
- Pediatric fixation cartoon video
- Connects to Reichert digital Phoroptors
- Astigmatic testing
- ETDRS
- Patient education images
- Contrast sensitivity testing
- Import your own videos and images
- Type: Inquire
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