Open 5mm blades. Blade spread: 27mm. Dull finish. Overall length: 45mm, 1.8 inches.
Materials : Stainless Steel
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Open 5mm blades. Blade spread: 27mm. Dull finish. Overall length: 45mm, 1.8 inches.
Materials : Stainless Steel
Open 5mm blades. Blade spread: 27mm. Dull finish. Overall length: 45mm, 1.8 inches.
Materials : Stainless Steel
Blade Size | 5mm |
Blade spread | 27mm |
Overall length | 45mm, 1.8 inches |
Material | Stainless Steel |
This card combines a lea symbols® line test on one side and lea numbers® line test on the opposite side. Proportionally-spaced lines from sizes 20/400 to 20/10 (6/120 to 6/3) equivalent.
16 inches, 40 cm testing distance.
Stereoacuity depth preception test designed to rapidly test for amblyopia and strabismus in early and non-readers and non-verbal children and adults.
Sloan Letter charts calibrated to test visual acuity at an intermediate distance of 66 cm (26 in.).
This chart can either be wall mounted or used in an ESV 1200 , ESV 1500 , or a Model A illuminated cabinet.
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.