vision and vision technology

What do we mean by senior? Well, it depends on where you stand and what you are reading. Seen through the Google Glassy lens of young adults, it’s everyone aged 50+, that is, the AARP market demographic, who might be considered a senior. Or perhaps it is age 65, when Medicare eligibility and public transit discounts appear. Age 65 is also the statistical baseline for longevity projections – 20 more years of life expectancy, with one in four projected to live past 90. Now mull over a new Pew global survey about attitudes on aging -- the US stood out as "one of very few countries where a large plurality of the public believes individuals are primarily responsible for their own well-being in old age." Consider that point and read on.