Contrast Sensitivity
Showing 1–24 of 52 results
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Contrast Sensitivity, Near Vision Charts
Berkeley Discs Contrast Sensitivity Test
Designed by Dr. Ian Bailey of the University of California, Berkeley, School of Optometry. This test of contrast sensitivity has three double-sided cards. On each of the six sides, there is a 6-cell grid of 80 mm squares. On each of the sides, three of the 6 cells contain large (50mm) discs of different contrasts.
SKU: 8001 -
Contrast Sensitivity, Distance Charts, Ophthalmic Clinical Research, Pelli Robson chart
Pelli Robson Contrast Sensitivity Chart Individual Chart 3
Contrast Sensitivity, Distance Charts, Ophthalmic Clinical Research, Pelli Robson chartPelli Robson Contrast Sensitivity Chart Individual Chart 3
Features Traditional Sloan Optotypes. For use at 100 cm (1m). Includes two charts which may be wall or easel mounted and score sheets.
Acuity Level 40M (20/320) at 1 Meter.
SKU: 5014-3 -
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Contrast Sensitivity, Charts for CSV1000
CSV1000S Contrast Sensitivity Chart
The CSV1000S test is widely used for in or out-of-office screenings and for cataract evaluation. This test presents standard visual acuity from 20/15 to 20/200, two rows of spatial frequencies (6 and 12 cycles/degree), and a real-world driver’s scene. The test is useful for cataract documentation as it provides a standard acuity score, a functional acuity score, and a real-world simulation.
SKU: 500001 -
Contrast Sensitivity, Near Vision Chart, Near Vision Charts, Ophthalmic Clinical Research
Pelli Robson Chart Near Contrast Sensitivity Patti Pics
Contrast Sensitivity, Near Vision Chart, Near Vision Charts, Ophthalmic Clinical ResearchPelli Robson Chart Near Contrast Sensitivity Patti Pics
Features Traditional Patti Pics Pediatric Optotypes Found in the Original Pelli Robson Chart! For use at 16 in (40cm) Includes three charts, each of which is scrambled.
Acuity Level 10m (20/630) at 40 cm (16 in)
SKU: 5011 -
Contrast Sensitivity, Accessories CSV 1000 & 2000
Mesopic Testing Lenses Pair
These lenses test mesopic contrast sensitivity, acuity, and glare. These lenses are used with the CSV1000, and ESV3000 instruments to reduce the light level from 85 to 3 cd/m2 – the mesopic light level which is recommended by FDA to simulate night driving conditions.
2 per package.
SKU: 500053 -
Contrast Sensitivity, CSV-1000HGT
CSV1000 HG Test Instrument Viewer with Glare Lights
The gold standard for Contrast sensitivity and glare testing has been updated and improved. The new CSV1000 HG has been redesigned with a modern look including integrated glare lights. The CSV1000 HG still provides a superior ability to detect and quantify subtle changes in vision. Patented photocell circuitry automatically monitors and calibrates instrument testing light levels.
SKU: 500050 -
Contrast Sensitivity, CSV1000
CSV1000 Test Instrument Viewer
The CSV1000 illuminated viewer from Vector Vision provides standardized contrast sensitivity and ETDRS acuity testing. The CSV1000 provides the ability to detect and quantify subtle changes in vision. Patented photocell circuitry automatically monitors and calibrates instrument testing light levels.
SKU: 500000 -
Contrast Sensitivity, Near Vision Chart, Near Vision Charts, Ophthalmic Clinical Research
MNRead Chart 1 In English Black Background
Contrast Sensitivity, Near Vision Chart, Near Vision Charts, Ophthalmic Clinical ResearchMNRead Chart 1 In English Black Background
The MNREAD Acuity Charts are continuous text reading acuity charts for normal and low vision.
Often times traditional vision charts only measure general parts of normal vision, such as acuity and contrast. However, many times everyday life scenarios place these two aspects in unique situations. For example, acuity is very important in vision. Testing acuity normally involves a standard eye test. However, when reading the newspaper, the eyes are challenged by small print, continuous text, and several close contact lines. This basic living situation may cause problems for patients with scotomata and may not be detected on conventional acuity charts. Continuous text charts give one more possibility during vision testing.
SKU: C405 -
Contrast Sensitivity, Distance Charts
Mars Contrast Sensitivity Test Numbers
Numerals are universally used in cultures all over the world. The Mars Numeral Contrast Sensitivity test version, which functions identically to the Mars Letter Contrast Sensitivity test, is intended for use where patients and clients might be less familiar with the letters of the Western alphabet. The ten numerals in this test are designed with the same geometric principles as the ten Sloan letters, making scores easily compared to those of the Mars Letter version. Hand-held, with quick, simple and convenient scoring. Three chart forms in protective sleeves, user manual and storage case.
SKU: 5019n -
Contrast Sensitivity, Near Vision Charts
Near Point Acuity Illuminated Flip Chart
Logarithmic Progression using ETDRS Chart 1 and ETDRS Chart 2.
Size increments = 0.1 LOG Units.
Features notations for Letter Size, Decimal, Meters, Feet, and Diopters of Add.
Mask included for concealing bottom portion of the chart while using the top for testing.
Near vision test uses the same format as ETDRS 2000 series charts. ETDRS format is calibrated for reliable, repetitive testing using equal difficulty and geometric progression. Vision test uses Sloan
optotype
s for equal difficulty from
optotype
to
optotype
and from line to line creating a uniform level of difficulty. This test features two different ETDRS style permutations for repetitive non memorized testing for both eyes.
SKU: 2199 -
Contrast Sensitivity, Accessories CSV 1000 & 2000
Floor Stand with Casters
A floor stand with casters used with either the ESV3000 & ESC2000 ETDRS, illuminated cabinet, or the CSV-1000 Instrument.
The base of the stand measures 27.5″ square (69.85 cm). The height is adjustable from a minimum of 33″ (83.82 cm) to a maximum of 49″ high (124.46 cm).
SKU: 500004 -
Contrast Sensitivity, Distance Charts, Near Vision Charts, Ophthalmic Clinical Research, Other charts
Rabin Contrast Sensitivity Test For 2425 Large Cabinet
Contrast Sensitivity, Distance Charts, Near Vision Charts, Ophthalmic Clinical Research, Other chartsRabin Contrast Sensitivity Test For 2425 Large Cabinet
Detects subtle effects of defocus, low luminance and glare.
Log CS increases 0.25 steps per row (0.05 Log CS per Letter).
Must be used with Cat. No. 2425 Large ETDRS Illuminator Cabinet.
SKU: 2128-1 -
Clinical Trial Items, Contrast Sensitivity, Near Vision Charts, Near Visual Acuity Testing, Ophthalmic Clinical Research, Pediatric Opthalmology
Sloan and PV Numbers Near Vision Chart
Clinical Trial Items, Contrast Sensitivity, Near Vision Charts, Near Visual Acuity Testing, Ophthalmic Clinical Research, Pediatric OpthalmologySloan and PV Numbers Near Vision Chart
- Two Sided
- Side 1: Sloan
- Side 2: PV Numbers
- Near Vision 40cm (16 in.)
- With Attached cord to facilitate proper testing distance every time!
- Patti Pics Response keys are included
- Islands on bottom reduce memorization when testing left and right eyes
SKU: 2115 -
Charts for CSV1000, Contrast Sensitivity
CSV 1000 HOTV Chart
The CSV- 1000HOTV test face provides a LogMAR test in which only four letters are used; H, O, T and V. This test is very useful for evaluating children or patients which commonly reverse the appearance of objects. These letters were chosen because all are symmetric along the vertical axis. A prompt card is provided.
SKU: CSV-1000HOTV -
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