tangent screen
Definition: a flat, usually black surface used to measure the central 30 degrees of the field of vision.
Synonym(s): Bjerrum screen
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.
Definition: a flat, usually black surface used to measure the central 30 degrees of the field of vision.
Synonym(s): Bjerrum screen
Examples: glitazone, GI cocktail, etc.