GLASSES \ data

Behavioral Risk Factors - Vision & Eye Health 2005-2013 Centers for Disease Control and Prevention "In 2013 and subsequently, one question in the core of BRFSS asks about vision: Are you blind or do you have serious difficulty seeing, even when wearing glasses? From 2005-2011 the BRFSS employed a ten question vision module regarding vision impairment, …

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Research Methods: Unpack Object

Object EYEGLASSES Brainstorming Questions: Of what material(s) are glasses made? What common/possible materials for frames? What common/possible materials for lenses? How are lenses made? How does a prescription define the process of crafting a lens? Where are lenses made? How do lenses physically correct vision/bend light? What kind of technology advanced led to better vision …

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