1 Short description: Enlargement lymph nodes. 2  ICD-9-CM 785.6 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 785.6 should only be used for claims with a date of service on or before September 30, 2015.
Freebase (0.00 / 0 votes) Rate this definition: Hyperfocal distance. In optics and photography, hyperfocal distance is a distance beyond which all objects can be brought into an acceptable focus.
What is PD? PD stands for pupil distance, this is the measurement between your eyes from pupil to pupil. Pupil distance can be expressed in two ways: Binocular PD is the total distance between your pupils. Monocular PD is the distance from the bridge of your nose to your pupil on each side.