Near Vision Folding Chart
- Hindi Near Vision Test at 40cm
- English Near Vision Test at 40cm
- Marathi Near Vision Test at 40cm
- Gujarati Near Vision Test at 40cm
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Near Vision Folding Chart
Near Vision Folding Chart
The LEA 3-D Puzzle is designed for supporting the development of the concept of “same”, first with colors, then with black & white concrete forms that are prerequisites for the measurement of recognition acuity with the LEA SYMBOLS® tests at an early age.

Stereoacuity depth preception test designed to rapidly test for amblyopia and strabismus in early and non-readers and non-verbal children and adults.
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.
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