 Remember, Northwest Crawl Space Services can solve any crawl space or attic problem, no exceptions. For your free inspection and to see if you qualify for savings from PSE, go to nwcrawlspace.com. That's nwcrawlspace.com. We're with Dr. Andrew Kopstein from K2 Vision RLE. Dr. Kopstein, is it true 50% of Americans have their lenses replaced by the time they're 75?