The three-year completion deadline for feasibility studies is counted from the signing of the Feasibility Cost Sharing Agreement (FCSA), which initiates the feasibility phase, until the Chief of Engineers signs the Chiefâs Report.
Legal blindness relates to the best corrected vision after an eyeglass prescription is determined. You cannot look at the numbers on your eyeglass prescription to determine this. If the best you can do on an eye chart, with the best eyeglass correction, is 20/200, that is legal blindness in most states in the usa.
Single-vision prescription sunglasses correct for either your distance or reading vision and maintain the same prescription throughout the entire lens. In addition to progressive eyeglasses, we also offer progressive sunglass lenses to correct for presbyopia (trouble focusing on close objects).