Snap-On vision charts are easily changeable to accommodate different language symbols. The standards are Numbers, Letters, Landolt C, and Tumbling E. Call and ask for pricing of custom charts. For ETDRS charts the substrate is opaque, which reduces illumination to 85 cd/m2 for reading. For potential Vision charts, the substrate is translucent, which allows chart illumination up to 6000 cd/m2.
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iPhone Testing

Inventors: Hecht & Hofeldt
Take Medications to Lessen AMD
What are AREDS 2 vitamins?
A large research study called Age-Related Eye Disease Study 2 (AREDS 2) explored the benefits of daily vitamins and minerals for people with AMD. This study found that certain nutritional supplements could help some patients avoid developing late-stage or wet AMD:•
-Vitamin C (ascorbic acid) 500 mg•
-Vitamin E 400 international units (IU)•
-Lutein 10 mg•
-Zeaxanthin 2 mg•
-Zinc (as zinc oxide) 80 mg •
-Copper (as cupric oxide) 2 mg.
Get MacHealth and Test with your iPhone.
Watch Fovea Video / Test Yourself

Two Inventors Providing the Foveal Test
Relative Color Fovea Adaptation
Red ➔Turquoise ➔White Sequence
iPhone Professional Test
Purchase at AMA Optics
RAM Solo
Spot & Flood Lights
MacHealth
MacDx
DiagnosticGame App










