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.
Flat-top bifocals are further described by the width of the near segment, measured in millimeters (mm). The most popular FT bifocal is the FT-28, a flat-top bifocal with a near seg that is 28 mm wide. Another popular fused bifocal is the round seg bifocal.