Chambers 20th Century Dictionary(0.00 / 0 votes)Rate this definition: Engross. en-grÅsâ², v.t. to occupy wholly, monopolise: to absorb: to copy a writing in a large hand or in distinct characters: to write in legal form: to make gross.âns.
Pupillary distance (PD) is the measurement (in millimeters) of the distance between the pupils of your eyes. Pupillary distance is an important measurement used to determine the proper lens shape and alignment of your prescription correction to your line of vision.
PD In order to customize your glasses, you have to figure out your PD, or pupillary distance, aka, the distance between your pupils. Once we have this information, we can determine how to place your lenses in your frame. Just ask your optician; they should have your PD on file. You can also measure your PD yourself.