Noun. 1. age-related macular degeneration-macular degeneration that is age-related. AMD. macular degeneration-eye disease caused by degeneration of the cells of the macula lutea and results in blurred vision; can cause blindness.
What do the numbers on a tire mean? The DOT number appears on the sidewall of all tires intended for sales in the U.S., and designates the location of manufacture, the week and year of production, and the specific tire.
To calculate the overall diameter of a tire, the sidewall height must be multiplied by 2 (remembering that the tire diameter is made up of 2 sidewalls, the one above the wheel and the one below the wheel touching the ground) and add the diameter of the wheel. 101.3mm + 101.3mm + 431.8mm = 634.4mm.