Ophthalmic Clinical Research
Showing 1–24 of 70 results
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Ophthalmic Clinical Research, Pelli-Robson Trans-Illuminated Contrast Sensitivity Chart
5016A Trans-Illuminated Contrast Sensitivity Pelli-Robson Chart SLOAN Low Vision – Chart A
Ophthalmic Clinical Research, Pelli-Robson Trans-Illuminated Contrast Sensitivity Chart5016A Trans-Illuminated Contrast Sensitivity Pelli-Robson Chart SLOAN Low Vision – Chart A
Pelli-Robson Trans-Illuminated Contrast Sensitivity Chart
The trans-illuminated versions are identical to the original “Gold Standard” Pelli-Robson Contrast Sensitivity Charts. These charts cover ¾ of the original contrast range and are manufactured to the same true log steps and use the same letters and letter sizes as the originals.SKU: 5016A -
Contrast Sensitivity, Distance Charts, Ophthalmic Clinical Research, Other charts
Bailey Lovie Chart Set
Contrast Sensitivity, Distance Charts, Ophthalmic Clinical Research, Other chartsBailey Lovie Chart Set
The charts come as a set of two panels (21x24inches, 53x60cm) each with a high contrast chart one side and a low contrast chart (18% Weber or 10% Michelson) on the other. The optotype set is the family of ten British Standard (1968) 5×4 non-serifed letters
SKU: 5000 -
Clinical Trial Items, Other charts
Bailey-Lovie Reading Chart 1 – Word
Reading Chart with unrelated simple sentences or words of equal length and difficulty.
Designed by Dr. Ian Bailey (University of California, Berkeley) and Dr. Amanda H. Lueck (San Francisco State University).
Notations included: VAR at 40 cm, Points, and M Units (5.0 to 0.16)SKU: 4505 -
Contrast Sensitivity, Near Vision Chart, Ophthalmic Clinical Research, Other charts
Balsam Alabdulkader – Leat Reading Chart (BAL Chart) – Chart 1
Contrast Sensitivity, Near Vision Chart, Ophthalmic Clinical Research, Other chartsBalsam Alabdulkader – Leat Reading Chart (BAL Chart) – Chart 1
The BAL chart is the first, standardized continuous text near visual acuity chart in Arabic. It was designed based on the accepted design criteria for reading acuity charts
SKU: C601 -
Ophthalmic Clinical Research, Near Vision Chart
Bangerter Occlusion Foil – ~20/20 (1.0)
May be used as a preventative measure for amblyopia, suppression and abnormal retinal correspondence. Used therapeutically in the treatment of amblyopia, orthoptic treatment, diplopia, diplopia with monocular aphakia (with <0.1). May be used as a primary treatment or as alternative treatment in cases where patching therapy is no longer providing further benefits.
SKU: 11950 -
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Ophthalmic Clinical Research, Other charts
BRVT The Berkeley Rudimentary Vision Test
For Visual acuity levels beyond the limit of the letter charts, the common practice is for clinicians to categorize vision according to whether the patient can count fingers (CF) or detect hand motion (HM), but there is no recognized or standard procedures for doing this.
SKU: 4500 -
Accessories, Clinical Trial Items, Ophthalmic Clinical Research
Clinical Trial Frame – Clinical
The Premier Clinical Trial Frame an adjustable light weight, stylish frame with many easy to use features. Weighing only 1.9 oz. it is a perfect frame to accommodate a spectrum of patient age groups. The Premier Clinical Trial Frame has room for up to 10 (38 mm) trial lenses and has an articulating nose bridge pad for complete patient comfort and weight dispersion.
SKU: 7025_1 -
Near Vision Chart, Ophthalmic Clinical Research
Colenbrander Reading Card (Low Vision, Mixed Contrast) – English
Near Vision Chart, Ophthalmic Clinical ResearchColenbrander Reading Card (Low Vision, Mixed Contrast) – English
Continuous text cards simulate everyday tasks and activities that patients may encounter, such as reading the newspaper.
Designed as a simple screen test. The usual question for a reading test is: What is the smallest (black) line you can read? On the contrast card one adds the question What is the smallest (grey) line you can read? The difference between the two measurements will be obvious and can simply be expressed in lines. Preliminary findings indicate a 2 or 3 line difference is normal.
Unrelated simple sentences at 4th grade level.
Serves as an educational tool to demonstrate the effect of contrast deficits to patients and family members.
SKU: 4061_
