 entrance pupil diameter is 36.947 mm. We will
assume that we do not know the names of the glass manufacturers.</p>

<h3>What I Did</h3>

<p>I first input the prescription into the program just as you will. I
then reset the output device from TP (screen) to ED (edittext.dat
file) using the <strong>OUTPUT ED</strong> command and listed the
prescription with the CMD level <strong>LENO</strong> command. This
resulted in a prescription being written to the disk
file <em>EDITTEXT.DAT</em>. The format of this typ