window blinds and coverings Contract and Custom Window Coverings and Treatments, Manufacturer and Distributor: vertical blinds, roller shades, horizontals, repairs, and replacements. Who We Are Family-owned for more than 30 years, WCVC has been supplying parts, components and fully finished window...
Custom Graphic & Logo Shades At Very Affordable Prices Vertical Blinds, Wood Blinds, & Horizontal Aluminum Blinds Roman Shades & Natural Fiber Shades Compostie Wood Shutters & Faux Wood Blinds Mylar Roller Shades & Sheerweave Sun Shades WHITE GLOVE WINDOW TREATMENT CLEANING.They come out on-site ...
a1. Measurements have been made of the dark-adapted foveal threshold of normal and colour blind persons in five parts of the spectrum using a 1° circular test field. 2. Compared to normals, protanopes (red-blinds) show an elevation of the threshold which increases slowly from blue to ye...