When you stare at a screen for hours at a time, whether it is a computer, TV, phone or tablet, you are exposed to blue light from the device. Here are some products to help.
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This card is ideal for testing illiterate patients. It has HOTV letters on one side and Allen figures on the...
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A durable home monitoring test card for those patients needing to detect metamorphopsia. Espically useful with ARMD...
