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.
Bifocals (sometimes called âlined bifocalsâ) contain two prescriptions within the same lens and can correct both nearsightedness and farsightedness. Usually, bifocals contain focal lengths that correct close vision of 12 to 18 inches from the face and distances of 10 feet and beyond.