Pupillary Distance Ruler PD Scale
Pediatric Opthalmology, Examination tools
SKU : JVPDS
Pupillary Distance Ruler PD Scale
SKU : JVPDS
Pupillary Distance Ruler PD Scale
No products in the cart.
Pupillary Distance Ruler PD Scale
Pupillary Distance Ruler PD Scale
| Brands | iAdvantec |
|---|
This assessment is designed for amblyopia testing or screening. This near vision chart has 50% spaced rectangle (Massachusetts Visual Acuity Test format) with line sizes from 20/400 to 20/16 (6/120 to 6/4.8) equivalent.
16 inches, 40 cm testing distance.
Test for quick measurement of low Contrast visual acuity at 25%, 10%, 5%, 2.5%, and 1.25% Contrast by measuring the distance where the symbols are seen. 10M symbols correspond to visual acuity 0.10 at 1 m, 0.05 at 0.5 m and 0.3 at 3 m. VA values are thus easy to calculate. Test includes a table for conversion to Snellen equivalent VA values, a response keys and instructions. 6 pages, 3.25″ x 9″ (8.25 cm x 22.9 cm).
The Teller Acuity Cards is a test of grating acuity for infants, young children and individuals with disabilities utilizing a preferential looking technique. This test has an extensive evidence base in normative and clinical studies that provide a strong foundation for applications in ophthalmology, optometry, and developmental practice. The test is cited more often than any similar product in the health information compiled by The National Library of Medicine.
WhatsApp us


