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.
How To Measure My Pupillary Distance (PD) in 5 Steps | MarvelOptics. Your eyes are set at a particular distance from each other, which can vary from person to person. The distance between the centre of one pupil to the centre of the other is referred to as Pupillary Distance.