Raf Ruler

Product Details:

Country of OriginMade in India
Packaging TypeParcel
FeaturesThis instrument is used for determining the objective and subjective convergence points, examining t
Thickness1.5-2.5 Feet
Quantity Per Pack1
  • RAF Rule (Royal Air Force Rule) provides a binocular gauge to measure Objective and Subjective Convergence as well as Accommodation in 1 mm increments. The RAF Rule consists of a 50 cm long rule with a slider holding a rotating four-sided cube. Each side has a different target. The first has a vertical line with a central dot for convergence fixation. The others provide a limited number of lines of near reading examples.
  • A rest is provided for the cheek to insure consistency and proper height for the patient. Some studies have