Basic Full Diameter Plus & Minus Trial Lens Set
SKU : 7020+7026+7027
Trial Lens Set, features Plus and Minus Cylinders, set in tray and a Leatherette Carrying case.
Trial Lens Set, features Plus and Minus Cylinders, set in tray and a Leatherette Carrying case. Set also includes a 0.25 Jackson Cross Cylinder and a Cleaning Cloth. (Set includes both Full Diameter Sphere Lens at +0.37 and -0.37)
| Brands | Precision Vision |
|---|
Specification
| Weight | 12 lbs |
| Dimensions | 18 × 4 × 22 in |
Related products
-
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: 4060 -
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 -
Illiminator Cabinet, Ophthalmic Clinical Research
Large LED Illuminator Cabinet – 300
2425LED-300 7 Presets at 3, 10, 40, 85, 160, 320 and 800 cd/m2
This configuration allows for testing vision under several different luminance levels with optional charts in high contrast, low contrast and threshold contrast and different test distances.SKU: 2425LED-300 -
ETDRS charts for Illuminator cabinet 4M ( 13 feet ), Ophthalmic Clinical Research
Original Series Sloan Letter ETDRS (Chart 2)
ETDRS charts for Illuminator cabinet 4M ( 13 feet ), Ophthalmic Clinical ResearchOriginal Series Sloan Letter ETDRS (Chart 2)
Only standardized format accepted in studies sponsored by the National Eye Institute.
Designed for use in clinical studies and low vision evaluations where accurate, repeatable visual acuity measurements are required.
SKU: 2112
