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.
For many people the inconvenience of having to take glasses on and off is a reason to get a bifocal or a progressive lens. 1  The traditional bifocal (Lens #2 in the chart below) has distance prescription on the top half of the lens and reading in a half moon segment on the bottom.he main distance categories are shown above, with the colors matching the diagrammatic glasses shown next. 1  Reading and close work are usually done around 14 inches. 2  Think of intermediate as armâs length, usually 18 to 24 inches, where a lot of lifeâs activities occur. 3  The computer. 4  Room distance.