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| Web Pages |
| Krishna Vision Eye Test Cards |
| Asian and Arabic multi lingual eye test charts. Languages represented include Arabic, Urdu, Telugu, Bengali, Tamil, and Oriya. |
| NVRI: Vision testing equipment |
| The original logMAR acuity chart was developed by Bailey and Lovie at the National Vision Research Institute, Melbourne, Australia. Wide range of vision charts, near acuity cards and tests of contrast sensitivity available. |
| Lea-Test Ltd. |
| Vision tests developed by Lea Hyvarinen, M.D., including the LEA symbols for children. |
| Welcome to Precision Vision |
| Precision Vision has been producing quality vision testing products for over 30 years. Tests for: ETDRS Charts & Illuminator Cabinets, Visual Acuity Tests for Pediatrics through Geriatrics utilizing Gratings, Lea Symbols, Lea Numbers and Sloan Letters. Color Vision, Visual Adaptation, Visual Fields with Damato Campimeters and Nef Perimeters. All types of Contrast Sensitivity Tests. Books, Publications and Videos. Located in La Salle, IL. |
| Colour Vision Testing Made Easy |
| New colour vision test, developed by Terrace Waggoner, OD, specifically for children who are pre-literate. The CVTMET is a pseudoisochromatic color vision test, with 14 test plates, similar to the Ishihara and AOHRR tests in common use. |
| Healthy Connections - Healthy Choices |
| Offers a collection of free hearing and vision tests including an eye chart, color vision test, eye screening, field of vision test, and an infant hearing test. |
| FreeVisionTest.com |
| Site with free vision tests, animations of the eye, optical illusion tests, and library of terms, to interact with and learn from. Also featuring a database of some US and international eyecare providers. |
| The Aniseikonia Inspector |
| Describes what aniseikonia is and how can it be tested. |
| Color Vision Recorder |
| Software to record and plot and analyse results from a Farnsworth D15, L'Anthony's desturated D15 test. |