• Soft sponge edge hugs the face.
• Clear patches are good for assisting with severe dry eyes both during the day & while sleeping.
• Clear patches (PO147LS & PO147SC) are clear/no occlusion.
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Soft sponge edge hugs the face.
• Clear patches are good for assisting with severe dry eyes both during the day & while sleeping.
• Clear patches (PO147LS & PO147SC) are clear/no occlusion.
• Soft sponge edge hugs the face.
• Clear patches are good for assisting with severe dry eyes both during the day & while sleeping.
• Clear patches (PO147LS & PO147SC) are clear/no occlusion.
| Brands | Bernell USA |
|---|
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.
Combines Maddox Rod, Occluder, Red Lens, Fixation Targets, 1mm and 1.3mm Multiple Pinholes. Also includes Fixation targets, including one letter and one symbol .6mm, .8mm, 1.0mm, 1.6mm plus 2.0mm and 2.5mm letters.
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).
Standardized adult Sloan Letter near vision card with proportionally spaced (logMAR) lines in ETDRS, format; line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent.
16 inch, 40 cm testing distance.
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