Orange Ribbon. Leukemia Inspirational words on a butterfly ribbon design for shirts, apparel and gifts with words of hope, faith, courage, love, resilient, fight, support and awareness Ideal for the Leukemia survivor, warrior and advocates.
Generally, the preferred viewing distance is between 20 and 40 inches (50 and 100 cm) from the eye to the front surface of the computer screen (Figure 1). NOTE: text size may need to be increased for smaller monitors. Provide adequate desk space between the user and the monitor (table depth).
Mild near sight is less than 2 diopters â you can see clearly out to 50 cm (about 20 inches) from your eyes. Medium degree of near sight would be between 2 and 4 diopters â you can see clearly out to between 25cm, approx 10â (4 diopters) and 50 cm. approx 20â (2 diopters).